|Exam Name||:||Oracle Database 10g: Managing Oracle on Linux for DBA(R) s|
|Questions and Answers||:||126 Q & A|
|Updated On||:||February 18, 2019|
|PDF Download Mirror||:||Pass4sure 1Z0-046 Dump|
|Get Full Version||:||Pass4sure 1Z0-046 Full Version|
1Z0-046 exam Dumps Source : Oracle Database 10g: Managing Oracle on Linux for DBA(R) s
Test Code : 1Z0-046
Test Name : Oracle Database 10g: Managing Oracle on Linux for DBA(R) s
Vendor Name : Oracle
Q&A : 126 Real Questions
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leading golf device company turns over key information administration initiatives to Oracle, boosting performance and scalability
REDWOOD SHORES, Calif., Feb. eleven, 2019 /PRNewswire/ -- TaylorMade Golf, in its quest for increase after divesting from Adidas, is popping to Oracle self sufficient Database to underpin its cloud modernization strategy and power innovation. A key improvement of the new Oracle Database is that it automates the day-to-day database operations and tuning, freeing TaylorMade to focus on making the realm's optimal golf gadget.
Oracle emblem (PRNewsfoto/Oracle)extra
When TaylorMade separated from Adidas, the business essential to build out a platform in the cloud and selected Oracle self sustaining Database for its exceptional availability, efficiency, and safety. The industry's first and only self sustaining database, Oracle autonomous information Warehouse provides TaylorMade with the capability to scale as obligatory for deliberate business initiatives, above all round seasonal workloads, in a simple and low-priced manner. It additionally works with TaylorMade's present business analytic tools to pressure sooner evaluation to abruptly regulate revenue recommendations as essential. The database also offers TaylorMade the equipment they deserve to pinpoint opportunities for company diversification.
"As our business needs persevered to evolve, we required a extra productive technique to seamlessly control and scale our records administration system," noted Tom Collard, vice president of IT, TaylorMade. "With Oracle self reliant records Warehouse, we've a scalable, low-budget cloud platform to vigor our company. this will help sustain increase and free up beneficial employee time so that it will focus on greater mission-important initiatives."
Taking talents of Oracle independent statistics Warehouse's self-using, self-securing, and self-repairing capabilities, TaylorMade will ensure its crucial infrastructure is operating effectively with performance it is 40x quicker than its previous on-premise database answer. this may enable its IT team of workers to focus on actions that drive increase and improved meet consumer calls for whereas keeping prices low.
"TaylorMade has a convention of building the ideal golf device for specialists and consumers," stated Andrew Mendelsohn, govt vp of Database Server applied sciences, Oracle. "With Oracle self reliant Database, Oracle handles all of the database operations and tuning so TaylorMade's IT personnel can commit greater time to deriving company cost from their records."
About TaylorMade Golf enterprise
Headquartered in Carlsbad, California, TaylorMade Golf is a leading brand of high performance golf device with trade-leading innovative items like M5/M6 metalwoods, M5/M6 irons and TP5/TP5X golf balls. TaylorMade is the #1 Driver in Golf and also an important drive on the PGA TOUR with probably the most strongest athlete portfolios in golf, that contains Dustin Johnson, Rory McIlroy, Jason Day, Jon Rahm and Tiger Woods.
About OracleThe Oracle Cloud presents a complete suite of built-in functions for revenue, provider, advertising, Human materials, Finance, deliver Chain and Manufacturing, plus particularly-automated and comfy technology 2 Infrastructure featuring the Oracle autonomous Database. For extra suggestions about Oracle (ORCL), please visit us at oracle.com.
TrademarksOracle and Java are registered emblems of Oracle and/or its associates. other names could be trademarks of their respective homeowners.
Miscellaneous administration systemsPress free up summary: original Press unencumber: Utilities Can Now control different, dispensed energy resources with Oracle
Oracle network administration, that includes developed-in AI, constantly optimizes efficiency for a extra resilient, productive grid
NEW ORLEANS, Feb. 5, 2019 /PRNewswire/ -- DISTRIBUTECH – energy distribution isn't any longer a linear equation. As new power and data sources continue to grow, utilities should take a more holistic method to more desirable consider and manipulate components and have interaction increasingly energetic valued clientele at the fringe of the grid. The expanded Oracle Utilities network administration device (NMS) addresses this market need with a new distributed energy useful resource management (DERM) module that allows for utilities to monitor instances in true-time and proactively optimize their broader community in concert with this explosion of rising power resources, together with photo voltaic, wind, electric vehicles and more.
via disposing of information and utility silos and giving operators actual-time visibility and control throughout all grid and pipeline property in a single platform, operators can leverage essentially the most finished, precise-time mannequin to ensure a extra resilient and productive grid. for example, applying built-in artificial intelligence (AI) and laptop learning to a becoming library of information, together with superior Metering infrastructure (AMI), climate forecasts, SCADA and IoT equipment interplay, NMS allows for grid operators to reliably predict future storms and alter deliver and demand. Coupled with more desirable mobile equipment, container crews can rapidly garner the insights they need to limit the have an impact on of outages for purchasers and velocity restoration efforts.
"Utilities today are facing a perfect storm of evolving dispensed energy materials throughout their networks, a barrage of records, and ever-savvy purchasers who wish to their utility to be a depended on advisor during this changing power experience," referred to Dan Byrnes, SVP of product development, Oracle Utilities. "As such, resources can not be managed in isolation. With the latest innovations in NMS, utilities can enrich lengthy-time period company planning around infrastructure investments and protection schedules, launch new earnings-generating client-focused power features, and proactively optimize operational efficiency."
conclusion-to-conclusion Visibility and control across elements
With the brand new enhancements to Oracle Utilities community management device, utilities reap the advantages of:
Oracle Utilities NMS combines market-main outage management expertise with distribution management and advanced analytics to empower utilities to maximise grid operation capabilities, shorten outage period and optimize distribution, all while keeping their valued clientele engaged and advised. To learn more, see the brand new Oracle NMS system in action these days at DistribuTECH booth #10315 or discuss with right here.
About Oracle The Oracle Cloud offers comprehensive SaaS utility suites for ERP, HCM and CX, plus most suitable-in-class database Platform as a service (PaaS) and Infrastructure as a carrier (IaaS) from statistics centers right through the Americas, Europe and Asia. For greater guidance about Oracle (NYSE:ORCL), please discuss with us at oracle.com.
CONTACT: Kristin Reeves, Oracle, +1.925.787.6744, Kris.firstname.lastname@example.org, OR Molly Hardy-Knowles, Hill+Knowlton strategies, +1.713.752.1931, email@example.com
down load Spec Sheetconnected Thomas business replace
Nov 19, 2018Stephanie Simone
Oracle DBAs and bosses are below force to bring excessive-performing and responsive systems that can scale with the enterprise. Many enterprises are turning to cloud options and automation to in the reduction of expenses and boost their agility and ability.
the use of public cloud features among Oracle database sites is increasing, principally in the area of backup and recuperation. at the same time, most transaction environments still stay on-premises nowadays.
for many Oracle environments, the long run is pointing against a hybrid cloud model. despite the fact, licensing and help concerns, along with capabilities shortages, are additionally standing within the means of additional boom.
DBTA recently held a webinar with Joe McKendrick, unbiased analyst and writer, Don Sullivan, product line advertising manager for company important purposes and database, VMware, Sudhir Balasubramanian, team of workers answer architect – Oracle technology Lead (CPBU TMM), VMware, and Phil Hummel, facts science & Microsoft tech advertising, EMC, reviewed brand new market research on the current technology landscape, including the growth of cloud and automation, as well as biggest challenges impeding Oracle database groups today.
Unisphere research, the IOUG, VMware, and Dell EMC conducted a survey that identified the following tendencies:
Oracle database teams are under pressure to convey excessive-performing and responsive techniques that may scale with the business , Oracle databases environments are growing in dimension and complexity , and licensing/help charges are expanding.
for many Oracle environments, the future is pointing in opposition t a hybrid cloud model, according to the survey.
according to the roundtable of specialists, relocating ahead, Oracle DBAs and executives need to be greater proactive in adequately balancing the speed and scale calls for of the enterprise, while optimizing licensing costs, principally as more and more corporations stream towards a hybrid cloud model.
An archived on-demand replay of this webinar is available here.
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As early as 1998, Oracle offered a Linux-supported version of its popular database software. Then in 2006, Oracle came out with its own enterprise-class Linux distribution, Oracle Unbreakable Linux. So what makes Oracle Linux different?
First, let's clarify exactly what Oracle Unbreakable Linux is and what it is not. Oracle Unbreakable Linux is similar to CentOS in that it's derivative of Red Hat Enterprise Linux (RHEL). Oracle Unbreakable Linux is essentially RHEL without the Red Hat trademark, and with some fixes provided by Oracle. CentOS and Oracle Unbreakable Linux use the RHEL source code available under the terms of the GNU General Public License (GPL) to create their products.
It should be noted that many of the folks that contribute to CentOS are not pleased with Red Hat, partly because of their pricing model and also because of all the bugs they find in RHEL. Furthermore, the CentOS camp feels that instead of using RHEL code for their product, Oracle is really modeling Oracle Unbreakable Linux after CentOS and stealing their code.
But while CentOS is completely free, Oracle Unbreakable Linux is not. Oracle Unbreakable Linux is a free distribution that comes with a subscription support program. And Oracle Unbreakable Linux support customers have access to the Oracle Management Pack for Linux at no additional charge as part of Oracle Enterprise Manager 10g, which is comprised of Oracle Management Server (OMS) and various management agents. Oracle Management Pack for Linux includes provisioning capabilities, patching, monitoring and administration capabilities via a Web-based interface.
Support is the biggest reason for deploying Oracle Unbreakable Linux, especially if an organization needs both Oracle database and Linux OS support. Support from a single vendor eliminates the fingerprinting around running Oracle on Linux operating systems. Oracle offers competitive subscription support plans to those of Red Hat, which has recently announced that it will no longer provide support to customers who defect by running Oracle's Linux products. For example, Oracle offers a $99/year subscription for online software updates only. The lowest price for RHEL support is $349, which includes web-based support. This is another key difference between the support models. Many Red Hat users have been annoyed at their expensive, inflexible subscription pricing and lack of alternatives such as online software updates.
Installing Oracle Unbreakable Linux and OracleIf you decide that the single vendor support option is worth it and you choose to install both Oracle products, you should make certain that you are installing the right version of Linux for the correct version of Oracle you will be using -- and vice-versa. 32-bit Oracle will only run on 32-bit Linux and 64-bit Oracle will only run on 64-bit Linux. I would suggest that you perform a default RPM install as suggested by Oracle. This simplifies your installation though there are still some required packages which must be installed:
When this is completed, create twogroups: oinstall & dba.# /usr/sbin/groupadd dba# usr/sbin/groupadd oinstall
Then, create two users: oracle and nobody. Nobody may already be created.# /usr/sbin/useradd -m -g oinstall -G dba oracle# /usr/sbin/useradd -m -g oinstall -G dba nobody
Make oinstall the primary group for oracle and the dba the secondary group.
Next, we'll perform some housecleaning in our directories: # mkdir -p /u01/app/oracle# chown -R oracle:oinstall /u01/app# chmod -R 775 /u01/app
At this point, we'll change some kernel parameters. If your numbers are higher, leave them alone (note that you do not have to reboot the systems to make them apply.)kernel.shmall = 2097152kernel.shmmax = 536870912kernel.shmmni = 4096kernel.sem = 250 32000 100 128fs.file-max = 65536net.ipv4.ip_local_port_range = 1024 65000net.core.rmem_default=4194304net.core.wmem_default=262144net.core.rmem_max=4194304net.core.wmem_max=262144
Disable Security-enhanced Linux (SELinux), or you may have problems with the GUI installer, that is unless you really are prepared for an installation with SELinux.
Now, we're ready to download Oracle.
When the download is completed and you have finished bringing the zip file over to your Linux server, unzip your file unzip linux_11gR1_database.zip and run the oracleinstaller: $ ./u01/runInstaller Starting Oracle Universal Installer... Checking installer requirements.……
The installation and configuration takes about an hour. I thought the install went smoothly, but I am far from considering myself an Oracle Unbreakable Linux convert. Oracle needs to start mending fences with the Linux community, as there are still too many people that are upset with the way this version of Linux was introduced. I suppose Larry Elison has a way about him that ruffles feathers very easily. Oracle Unbreakable Linux can be a viable alternative to RHEL particularly for cost conscious users of Oracle as long as they work with the Linux community and not against it.About the author: Ken Milberg has worked for both large and small organizations and has held such diverse positions from CIO to Senior AIX Engineer. Currently, he is the president and managing consultant of Unix-Linux Solutions, a NY based IBM Business Partner. Ken also writes for IBM Systems Magazine, Power Systems edition and for IBM developerWorks. He is also the founder and group leader of the NY Metro POWER-AIX/Linux Users Group.
Oracle has released Docker build files for the Oracle Database on GitHub. With those build files, you can go ahead and build your own Docker image for the Oracle Database. If you don’t know what Docker is, you should go and check it out. It’s a cool technology based on the Linux containers technology that allows you to containerize your application — whatever that application may be. Naturally, it didn’t take long for people to start looking at containerizing databases, as well, which makes a lot of sense — especially for, but not only, development and test environments. Here is a detailed blog post on how to containerize your Oracle Database by using those build files that Oracle has provided.
You will need:Environment
My environment is as follows:
The first thing, if you have not already done so, is to set up Docker on the environment. Luckily, this is fairly straightforward. Docker is shipped as an add-on with Oracle Linux 7 UEK4. As I’m running on such an environment, all I have to do is to is enable the addons Yum Repository and install the docker-engine package. Note, this is done as the root Linux user.
Enable OL7 addons repo:[root@localhost ~]# yum-config-manager enable *addons* Loaded plugins: langpacks ================================================================== repo: ol7_addons ================================================================== [ol7_addons] async = True bandwidth = 0 base_persistdir = /var/lib/yum/repos/x86_64/7Server baseurl = http://public-yum.oracle.com/repo/OracleLinux/OL7/addons/x86_64/ cache = 0 cachedir = /var/cache/yum/x86_64/7Server/ol7_addons check_config_file_age = True compare_providers_priority = 80 cost = 1000 deltarpm_metadata_percentage = 100 deltarpm_percentage = enabled = True enablegroups = True exclude = failovermethod = priority ftp_disable_epsv = False gpgcadir = /var/lib/yum/repos/x86_64/7Server/ol7_addons/gpgcadir gpgcakey = gpgcheck = True gpgdir = /var/lib/yum/repos/x86_64/7Server/ol7_addons/gpgdir gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle hdrdir = /var/cache/yum/x86_64/7Server/ol7_addons/headers http_caching = all includepkgs = ip_resolve = keepalive = True keepcache = False mddownloadpolicy = sqlite mdpolicy = group:small mediaid = metadata_expire = 21600 metadata_expire_filter = read-only:present metalink = minrate = 0 mirrorlist = mirrorlist_expire = 86400 name = Oracle Linux 7Server Add ons (x86_64) old_base_cache_dir = password = persistdir = /var/lib/yum/repos/x86_64/7Server/ol7_addons pkgdir = /var/cache/yum/x86_64/7Server/ol7_addons/packages proxy = False proxy_dict = proxy_password = proxy_username = repo_gpgcheck = False retries = 10 skip_if_unavailable = False ssl_check_cert_permissions = True sslcacert = sslclientcert = sslclientkey = sslverify = True throttle = 0 timeout = 30.0 ui_id = ol7_addons/x86_64 ui_repoid_vars = releasever, basearch username =
Install docker-engine:[root@localhost ~]# yum install docker-engine Loaded plugins: langpacks, ulninfo Resolving Dependencies --> Running transaction check ---> Package docker-engine.x86_64 0:17.03.1.ce-3.0.1.el7 will be installed --> Processing Dependency: docker-engine-selinux >= 17.03.1.ce-3.0.1.el7 for package: docker-engine-17.03.1.ce-3.0.1.el7.x86_64 --> Running transaction check ---> Package selinux-policy-targeted.noarch 0:3.13.1-102.0.3.el7_3.16 will be updated ---> Package selinux-policy-targeted.noarch 0:3.13.1-166.0.2.el7 will be an update --> Processing Dependency: selinux-policy = 3.13.1-166.0.2.el7 for package: selinux-policy-targeted-3.13.1-166.0.2.el7.noarch --> Running transaction check ---> Package selinux-policy.noarch 0:3.13.1-102.0.3.el7_3.16 will be updated ---> Package selinux-policy.noarch 0:3.13.1-166.0.2.el7 will be an update --> Finished Dependency Resolution Dependencies Resolved ====================================================================================================================================================== Package Arch Version Repository Size ====================================================================================================================================================== Installing: docker-engine x86_64 17.03.1.ce-3.0.1.el7 ol7_addons 19 M Updating: selinux-policy-targeted noarch 3.13.1-166.0.2.el7 ol7_latest 6.5 M Updating for dependencies: selinux-policy noarch 3.13.1-166.0.2.el7 ol7_latest 435 k Transaction Summary ====================================================================================================================================================== Install 1 Package Upgrade 1 Package (+1 Dependent package) Total download size: 26 M Is this ok [y/d/N]: y Downloading packages: No Presto metadata available for ol7_latest (1/3): selinux-policy-3.13.1-166.0.2.el7.noarch.rpm | 435 kB 00:00:00 (2/3): selinux-policy-targeted-3.13.1-166.0.2.el7.noarch.rpm | 6.5 MB 00:00:01 (3/3): docker-engine-17.03.1.ce-3.0.1.el7.x86_64.rpm | 19 MB 00:00:04 ------------------------------------------------------------------------------------------------------------------------------------------------------ Total 6.2 MB/s | 26 MB 00:00:04 Running transaction check Running transaction test Transaction test succeeded Running transaction Updating : selinux-policy-3.13.1-166.0.2.el7.noarch 1/5 Updating : selinux-policy-targeted-3.13.1-166.0.2.el7.noarch 2/5 Installing : docker-engine-17.03.1.ce-3.0.1.el7.x86_64 3/5 Cleanup : selinux-policy-targeted-3.13.1-102.0.3.el7_3.16.noarch 4/5 Cleanup : selinux-policy-3.13.1-102.0.3.el7_3.16.noarch 5/5 Verifying : selinux-policy-targeted-3.13.1-166.0.2.el7.noarch 1/5 Verifying : selinux-policy-3.13.1-166.0.2.el7.noarch 2/5 Verifying : docker-engine-17.03.1.ce-3.0.1.el7.x86_64 3/5 Verifying : selinux-policy-targeted-3.13.1-102.0.3.el7_3.16.noarch 4/5 Verifying : selinux-policy-3.13.1-102.0.3.el7_3.16.noarch 5/5 Installed: docker-engine.x86_64 0:17.03.1.ce-3.0.1.el7 Updated: selinux-policy-targeted.noarch 0:3.13.1-166.0.2.el7 Dependency Updated: selinux-policy.noarch 0:3.13.1-166.0.2.el7 Complete!
And that’s it! Docker is now installed on the machine. Before I proceed with building an image I first have to configure my environment appropriately.Enable Non-Root User
The first thing I want to do is to enable a non-root user to communicate with the Docker engine. Enabling a non-root user is fairly straightforward, as well. When Docker was installed, a new Unix group docker was created along with it. If you want to allow a user to communicate with the Docker daemon directly (hence avoiding to run as the root user), all you have to do is to add that user to the docker group. In my case, I want to add the oracle user to that group:[root@localhost ~]# id oracle uid=1000(oracle) gid=1001(oracle) groups=1001(oracle),1000(dba) [root@localhost ~]# usermod -a -G docker oracle [root@localhost ~]# id oracle uid=1000(oracle) gid=1001(oracle) groups=1001(oracle),1000(dba),981(docker) Increase Base Image Size
Before I go ahead and run the image build, I want to double-check one important parameter: the default base image size for the Docker container. In the past, Docker came with a maximum container size of 10 GB by default. While this is more than enough for running some applications inside Docker containers, this needed to be increased for Oracle Database. The Oracle Database 220.127.116.11 image requires about 13GB of space for the image build.
Recently, the default size has been increased to 25GB, which will be more than enough for the Oracle Database image. The setting can be found and double-checked in /etc/sysconfig/docker-storage as the storage-opt dm.basesize parameter:[root@localhost ~]# cat /etc/sysconfig/docker-storage # This file may be automatically generated by an installation program. # By default, Docker uses a loopback-mounted sparse file in # /var/lib/docker. The loopback makes it slower, and there are some # restrictive defaults, such as 100GB max storage. # If your installation did not set a custom storage for Docker, you # may do it below. # Example: Use a custom pair of raw logical volumes (one for metadata, # one for data). # DOCKER_STORAGE_OPTIONS = --storage-opt dm.metadatadev=/dev/mylogvol/my-docker-metadata --storage-opt dm.datadev=/dev/mylogvol/my-docker-data DOCKER_STORAGE_OPTIONS= --storage-driver devicemapper --storage-opt dm.basesize=25G Start and Enable the Docker Service
The final step is to start the docker service and configure it to start at boot time. This is done via the systemctl command:[root@localhost ~]# systemctl start docker [root@localhost ~]# systemctl enable docker Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service. [root@localhost ~]# systemctl status docker ● docker.service - Docker Application Container Engine Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: disabled) Drop-In: /etc/systemd/system/docker.service.d └─docker-sysconfig.conf Active: active (running) since Sun 2017-08-20 14:18:16 EDT; 5s ago Docs: https://docs.docker.com Main PID: 19203 (dockerd) Memory: 12.8M CGroup: /system.slice/docker.service ├─19203 /usr/bin/dockerd --selinux-enabled --storage-driver devicemapper --storage-opt dm.basesize=25G └─19207 docker-containerd -l unix:///var/run/docker/libcontainerd/docker-containerd.sock --metrics-interval=0 --start-timeout 2m --state...
As the last step, you can verify the setup and the base image size (check for Base Device Size:) via docker info:[root@localhost ~]# docker info Containers: 0 Running: 0 Paused: 0 Stopped: 0 Images: 0 Server Version: 17.03.1-ce Storage Driver: devicemapper Pool Name: docker-249:0-202132724-pool Pool Blocksize: 65.54 kB Base Device Size: 26.84 GB Backing Filesystem: xfs Data file: /dev/loop0 Metadata file: /dev/loop1 Data Space Used: 14.42 MB Data Space Total: 107.4 GB Data Space Available: 47.98 GB Metadata Space Used: 581.6 kB Metadata Space Total: 2.147 GB Metadata Space Available: 2.147 GB Thin Pool Minimum Free Space: 10.74 GB Udev Sync Supported: true Deferred Removal Enabled: false Deferred Deletion Enabled: false Deferred Deleted Device Count: 0 Data loop file: /var/lib/docker/devicemapper/devicemapper/data WARNING: Usage of loopback devices is strongly discouraged for production use. Use `--storage-opt dm.thinpooldev` to specify a custom block storage device. Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata Library Version: 1.02.135-RHEL7 (2016-11-16) Logging Driver: json-file Cgroup Driver: cgroupfs Plugins: Volume: local Network: bridge host macvlan null overlay Swarm: inactive Runtimes: runc Default Runtime: runc Init Binary: docker-init containerd version: 4ab9917febca54791c5f071a9d1f404867857fcc runc version: 54296cf40ad8143b62dbcaa1d90e520a2136ddfe init version: 949e6fa Security Options: seccomp Profile: default selinux Kernel Version: 4.1.12-94.3.8.el7uek.x86_64 Operating System: Oracle Linux Server 7.3 OSType: linux Architecture: x86_64 CPUs: 1 Total Memory: 7.795 GiB Name: localhost.localdomain ID: D7CR:3DGV:QUGO:X7EB:AVX3:DWWW:RJIA:QVVT:I2YR:KJXV:ALR4:WLBV Docker Root Dir: /var/lib/docker Debug Mode (client): false Debug Mode (server): false Registry: https://index.docker.io/v1/ Experimental: false Insecure Registries: 127.0.0.0/8 Live Restore Enabled: false
That concludes the installation of Docker itself.Building the Oracle Database Docker Image
Now that Docker is up and running, I can start building the image. First, I need to get the Docker build files and the Oracle install binaries. Both are easy to obtain, as shown below. Note that I use the oracle Linux user for all the following steps, which I have enabled previously to communicate with the Docker daemon.Obtaining the Required Files
We need the GitHub build files and Oracle installation binaries.GitHub Build Files
First, I have to download the Docker build files. There are various ways to do this. I can, for example, clone the Git repository directly. But for simplicity and for the people who aren’t familiar with Git, I will just use the download option on GitHub itself. If you go to the main repository URL, you will see a green button saying Clone or download. By clicking on it, you will have the option Download ZIP. Alternatively, you can just download the repository directly via the static URL.[oracle@localhost ~]$ wget https://github.com/oracle/docker-images/archive/master.zip --2017-08-20 14:31:32-- https://github.com/oracle/docker-images/archive/master.zip Resolving github.com (github.com)... 18.104.22.168, 22.214.171.124 Connecting to github.com (github.com)|126.96.36.199|:443... connected. HTTP request sent, awaiting response... 302 Found Location: https://codeload.github.com/oracle/docker-images/zip/master [following] --2017-08-20 14:31:33-- https://codeload.github.com/oracle/docker-images/zip/master Resolving codeload.github.com (codeload.github.com)... 188.8.131.52, 184.108.40.206 Connecting to codeload.github.com (codeload.github.com)|220.127.116.11|:443... connected. HTTP request sent, awaiting response... 200 OK Length: unspecified [application/zip] Saving to: ‘master.zip’ [ ] 4,411,616 3.37MB/s in 1.2s 2017-08-20 14:31:34 (3.37 MB/s) - ‘master.zip’ saved  [oracle@localhost ~]$ unzip master.zip Archive: master.zip 21041a743e4b0a910b0e51e17793bb7b0b18efef creating: docker-images-master/ extracting: docker-images-master/.gitattributes inflating: docker-images-master/.gitignore inflating: docker-images-master/.gitmodules inflating: docker-images-master/CODEOWNERS inflating: docker-images-master/CONTRIBUTING.md ... ... ... creating: docker-images-master/OracleDatabase/ extracting: docker-images-master/OracleDatabase/.gitignore inflating: docker-images-master/OracleDatabase/COPYRIGHT inflating: docker-images-master/OracleDatabase/LICENSE inflating: docker-images-master/OracleDatabase/README.md creating: docker-images-master/OracleDatabase/dockerfiles/ ... ... ... inflating: docker-images-master/README.md [oracle@localhost ~]$ Oracle Installation Binaries
Just download the Oracle binaries from where you usually would. Oracle Technology Network is probably the place that most people go to. Once you have downloaded them, you can proceed with building the image:[oracle@localhost ~]$ ls -al *database*zip -rw-r--r--. 1 oracle oracle 1354301440 Aug 20 14:40 linuxx64_12201_database.zip Building the Image
Now that I have all the files, it’s time to build the Docker image. You will find a separate README.md in the docker-images-master/OracleDatabase directory that explains the build process in more details. Make sure that you always read that file, as it will always reflect the latest changes in the build files!
You will also find a buildDockerImage.sh shell script in the docker-images-master/OracleDatabase/dockerfiles directory that does the legwork of the build for you. For the build, it is essential that I copy the install files into the correct version directory. As I’m going to create an Oracle Database 18.104.22.168 image, I need to copy the installed ZIP file into docker-images-master/OracleDatabase/dockerfiles/22.214.171.124:[oracle@localhost ~]$ cd docker-images-master/OracleDatabase/dockerfiles/126.96.36.199/ [oracle@localhost 188.8.131.52]$ cp ~/linuxx64_12201_database.zip . [oracle@localhost 184.108.40.206]$ ls -al total 3372832 drwxrwxr-x. 2 oracle oracle 4096 Aug 20 14:44 . drwxrwxr-x. 5 oracle oracle 77 Aug 19 00:35 .. -rwxr-xr-x. 1 oracle oracle 1259 Aug 19 00:35 checkDBStatus.sh -rwxr-xr-x. 1 oracle oracle 909 Aug 19 00:35 checkSpace.sh -rw-rw-r--. 1 oracle oracle 62 Aug 19 00:35 Checksum.ee -rw-rw-r--. 1 oracle oracle 62 Aug 19 00:35 Checksum.se2 -rwxr-xr-x. 1 oracle oracle 2964 Aug 19 00:35 createDB.sh -rw-rw-r--. 1 oracle oracle 9203 Aug 19 00:35 dbca.rsp.tmpl -rw-rw-r--. 1 oracle oracle 6878 Aug 19 00:35 db_inst.rsp -rw-rw-r--. 1 oracle oracle 2550 Aug 19 00:35 Dockerfile.ee -rw-rw-r--. 1 oracle oracle 2552 Aug 19 00:35 Dockerfile.se2 -rwxr-xr-x. 1 oracle oracle 2261 Aug 19 00:35 installDBBinaries.sh -rw-r--r--. 1 oracle oracle 3453696911 Aug 20 14:45 linuxx64_12201_database.zip -rwxr-xr-x. 1 oracle oracle 6151 Aug 19 00:35 runOracle.sh -rwxr-xr-x. 1 oracle oracle 1026 Aug 19 00:35 runUserScripts.sh -rwxr-xr-x. 1 oracle oracle 769 Aug 19 00:35 setPassword.sh -rwxr-xr-x. 1 oracle oracle 879 Aug 19 00:35 setupLinuxEnv.sh -rwxr-xr-x. 1 oracle oracle 689 Aug 19 00:35 startDB.sh [oracle@localhost 220.127.116.11]$
Now that the ZIP file is in place, I am ready to invoke the buildDockerImage.sh shell script in the dockerfiles folder. The script takes a couple of parameters: -v for the version and -e for telling it that I want Enterprise Edition.
Note: The build of the image will pull the Oracle Linux slim base image and execute a yum install as well as a yum upgrade inside the container. For it to succeed, it needs to have internet connectivity:[oracle@localhost 18.104.22.168]$ cd .. [oracle@localhost dockerfiles]$ ./buildDockerImage.sh -v 22.214.171.124 -e Checking if required packages are present and valid... linuxx64_12201_database.zip: OK ========================== DOCKER info: Containers: 0 Running: 0 Paused: 0 Stopped: 0 Images: 0 Server Version: 17.03.1-ce Storage Driver: devicemapper Pool Name: docker-249:0-202132724-pool Pool Blocksize: 65.54 kB Base Device Size: 26.84 GB Backing Filesystem: xfs Data file: /dev/loop0 Metadata file: /dev/loop1 Data Space Used: 14.42 MB Data Space Total: 107.4 GB Data Space Available: 47.98 GB Metadata Space Used: 581.6 kB Metadata Space Total: 2.147 GB Metadata Space Available: 2.147 GB Thin Pool Minimum Free Space: 10.74 GB Udev Sync Supported: true Deferred Removal Enabled: false Deferred Deletion Enabled: false Deferred Deleted Device Count: 0 Data loop file: /var/lib/docker/devicemapper/devicemapper/data WARNING: Usage of loopback devices is strongly discouraged for production use. Use `--storage-opt dm.thinpooldev` to specify a custom block storage device. Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata Library Version: 1.02.135-RHEL7 (2016-11-16) Logging Driver: json-file Cgroup Driver: cgroupfs Plugins: Volume: local Network: bridge host macvlan null overlay Swarm: inactive Runtimes: runc Default Runtime: runc Init Binary: docker-init containerd version: 4ab9917febca54791c5f071a9d1f404867857fcc runc version: 54296cf40ad8143b62dbcaa1d90e520a2136ddfe init version: 949e6fa Security Options: seccomp Profile: default selinux Kernel Version: 4.1.12-94.3.8.el7uek.x86_64 Operating System: Oracle Linux Server 7.3 OSType: linux Architecture: x86_64 CPUs: 1 Total Memory: 7.795 GiB Name: localhost.localdomain ID: D7CR:3DGV:QUGO:X7EB:AVX3:DWWW:RJIA:QVVT:I2YR:KJXV:ALR4:WLBV Docker Root Dir: /var/lib/docker Debug Mode (client): false Debug Mode (server): false Registry: https://index.docker.io/v1/ Experimental: false Insecure Registries: 127.0.0.0/8 Live Restore Enabled: false ========================== Building image 'oracle/database:126.96.36.199-ee' ... Sending build context to Docker daemon 3.454 GB Step 1/16 : FROM oraclelinux:7-slim 7-slim: Pulling from library/oraclelinux 3152c71f8d80: Pull complete Digest: sha256:e464042b724d41350fb3ac2c2f84bd9d28d98302c9ebe66048a5367682e5fad2 Status: Downloaded newer image for oraclelinux:7-slim ---> c0feb50f7527 Step 2/16 : MAINTAINER Gerald Venzl ---> Running in e442cae35367 ---> 08f875cea39d ... ... ... Step 15/16 : EXPOSE 1521 5500 ---> Running in 4476c1c236e1 ---> d01d39e39920 Removing intermediate container 4476c1c236e1 Step 16/16 : CMD exec $ORACLE_BASE/$RUN_FILE ---> Running in 8757674cc3d5 ---> 98129834d5ad Removing intermediate container 8757674cc3d5 Successfully built 98129834d5ad Oracle Database Docker Image for 'ee' version 188.8.131.52 is ready to be extended: --> oracle/database:184.108.40.206-ee Build completed in 802 seconds. Starting and Connecting to the Oracle Database Inside a Docker Container
Once the build was successful, I can start and run the Oracle Database inside a Docker container. All I have to do is to issue the docker run command and pass in the appropriate parameters. One important parameter is the -p for the mapping of ports inside the container to the outside world. This is required so that I can also connect to the database from outside the Docker container. Another important parameter is the -v parameter, which allows me to keep the data files of the database in a location outside the Docker container. This is important, as it will allow me to preserve my data even when the container is thrown away. You should always use the -v parameter or create a named Docker volume! The last useful parameter that I’m going to use is the --name parameter which specifies the name of the Docker container itself. If omitted, a random name will be generated. However, passing on a name will allow me to refer to the container via that name later on:[oracle@localhost dockerfiles]$ cd ~ [oracle@localhost ~]$ mkdir oradata [oracle@localhost ~]$ chmod a+w oradata [oracle@localhost ~]$ docker run --name oracle-ee -p 1521:1521 -v /home/oracle/oradata:/opt/oracle/oradata oracle/database:220.127.116.11-ee ORACLE PASSWORD FOR SYS, SYSTEM AND PDBADMIN: 3y4RL1K7org=1 LSNRCTL for Linux: Version 18.104.22.168.0 - Production on 20-AUG-2017 19:07:55 Copyright (c) 1991, 2016, Oracle. All rights reserved. Starting /opt/oracle/product/22.214.171.124/dbhome_1/bin/tnslsnr: please wait... TNSLSNR for Linux: Version 126.96.36.199.0 - Production System parameter file is /opt/oracle/product/188.8.131.52/dbhome_1/network/admin/listener.ora Log messages written to /opt/oracle/diag/tnslsnr/e3d1a2314421/listener/alert/log.xml Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1))) Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=0.0.0.0)(PORT=1521))) Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1))) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 184.108.40.206.0 - Production Start Date 20-AUG-2017 19:07:56 Uptime 0 days 0 hr. 0 min. 0 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /opt/oracle/product/220.127.116.11/dbhome_1/network/admin/listener.ora Listener Log File /opt/oracle/diag/tnslsnr/e3d1a2314421/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1))) (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=0.0.0.0)(PORT=1521))) The listener supports no services The command completed successfully [WARNING] [DBT-10102] The listener configuration is not selected for the database. EM DB Express URL will not be accessible. CAUSE: The database should be registered with a listener in order to access the EM DB Express URL. ACTION: Select a listener to be registered or created with the database. Copying database files 1% complete 13% complete 25% complete Creating and starting Oracle instance 26% complete 30% complete 31% complete 35% complete 38% complete 39% complete 41% complete Completing Database Creation 42% complete 43% complete 44% complete 46% complete 47% complete 50% complete Creating Pluggable Databases 55% complete 75% complete Executing Post Configuration Actions 100% complete Look at the log file "/opt/oracle/cfgtoollogs/dbca/ORCLCDB/ORCLCDB.log" for further details. SQL*Plus: Release 18.104.22.168.0 Production on Sun Aug 20 19:16:01 2017 Copyright (c) 1982, 2016, Oracle. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 22.214.171.124.0 - 64bit Production SQL> System altered. SQL> Pluggable database altered. SQL> Disconnected from Oracle Database 12c Enterprise Edition Release 126.96.36.199.0 - 64bit Production ######################### DATABASE IS READY TO USE! ######################### The following output is now a tail of the alert.log: Completed: alter pluggable database ORCLPDB1 open 2017-08-20T19:16:01.025829+00:00 ORCLPDB1(3):CREATE SMALLFILE TABLESPACE "USERS" LOGGING DATAFILE '/opt/oracle/oradata/ORCLCDB/ORCLPDB1/users01.dbf' SIZE 5M REUSE AUTOEXTEND ON NEXT 1280K MAXSIZE UNLIMITED EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO ORCLPDB1(3):Completed: CREATE SMALLFILE TABLESPACE "USERS" LOGGING DATAFILE '/opt/oracle/oradata/ORCLCDB/ORCLPDB1/users01.dbf' SIZE 5M REUSE AUTOEXTEND ON NEXT 1280K MAXSIZE UNLIMITED EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO ORCLPDB1(3):ALTER DATABASE DEFAULT TABLESPACE "USERS" ORCLPDB1(3):Completed: ALTER DATABASE DEFAULT TABLESPACE "USERS" 2017-08-20T19:16:01.889003+00:00 ALTER SYSTEM SET control_files='/opt/oracle/oradata/ORCLCDB/control01.ctl' SCOPE=SPFILE; ALTER PLUGGABLE DATABASE ORCLPDB1 SAVE STATE Completed: ALTER PLUGGABLE DATABASE ORCLPDB1 SAVE STATE
On the very first startup of the container, a new database is being created. Subsequent startups of the same container or newly created containers pointing to the same volume will just start up the database again. Once the database is created and or started the container will run a tail -f on the Oracle Database alert.log file. This is done for convenience so that issuing a docker logs command will actually print the logs of the database running inside that container. Once the database is created or started up, you will see the line DATABASE IS READY TO USE! in the output. After that, you can connect to the database.Resetting the Database Admin Account Passwords
The startup script also generated a password for the database admin accounts. You can find the password next to the line ORACLE PASSWORD FOR SYS, SYSTEM AND PDBADMIN: in the output. You can either use that password going forward or you can reset it to a password of your choice. The container provides a script called setPassword.sh for resetting the password. In a new shell, just execute the following command against the running container:[oracle@localhost ~]$ docker exec oracle-ee ./setPassword.sh LetsDocker The Oracle base remains unchanged with value /opt/oracle SQL*Plus: Release 188.8.131.52.0 Production on Sun Aug 20 19:17:08 2017 Copyright (c) 1982, 2016, Oracle. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 184.108.40.206.0 - 64bit Production SQL> User altered. SQL> User altered. SQL> Session altered. SQL> User altered. SQL> Disconnected from Oracle Database 12c Enterprise Edition Release 220.127.116.11.0 - 64bit Production Connecting to the Oracle Database
Now that the container is running and port 1521 is mapped to the outside world, I can connect to the database inside the container:[oracle@localhost ~]$ sql system/LetsDocker@//localhost:1521/ORCLPDB1 SQLcl: Release 4.2.0 Production on Sun Aug 20 19:56:43 2017 Copyright (c) 1982, 2017, Oracle. All rights reserved. Last Successful login time: Sun Aug 20 2017 12:21:42 -07:00 Connected to: Oracle Database 12c Enterprise Edition Release 18.104.22.168.0 - 64bit Production SQL> grant connect, resource to gvenzl identified by supersecretpwd; Grant succeeded. SQL> conn gvenzl/supersecretpwd@//localhost:1521/ORCLPDB1 Connected. SQL> Stopping the Oracle Database Docker Container
If you wish to stop the Docker container, you can just do so via the docker stop command. All you will have to do is to issue the command and pass on the container name or ID. This will trigger the container to issue a shutdown immediate for the database inside the container. By default, Docker will only allow ten seconds for the container to shut down before killing it. For applications that may be fine but for persistent containers such as the Oracle Database container, you may want to give the container a bit more time to shut down the database appropriately. You can do that via the -t option, which allows you to pass on a new timeout in seconds for the container to shut down successfully.
I will give the database 30 seconds to shut down, but it’s important to point out that it doesn’t really matter how long you give the container to shut down. Once the database is shut down, the container will exit normally. It will not wait all the seconds that you have specified until returning control. So even if you give it ten minutes (600 seconds), it will still return as soon as the database is shut down.
Just keep that in mind when specifying a timeout for busy database containers:[oracle@localhost ~]$ docker stop -t 30 oracle-ee oracle-ee Restarting the Oracle Database Docker Container
A stopped container can always be restarted via the docker start command:[oracle@localhost ~]$ docker start oracle-ee oracle-ee
The docker start command will put the container into the background and return control immediately. You can check the status of the container via the docker logs command, which should print the same DATABASE IS READY TO USE! line. You will also see that this time, the database was just restarted rather than created.
Note: A docker logs -f will follow the log output, i.e. keep on printing new lines:[oracle@localhost ~]$ docker logs oracle-ee ... ... ... SQL*Plus: Release 22.214.171.124.0 Production on Sun Aug 20 19:30:31 2017 Copyright (c) 1982, 2016, Oracle. All rights reserved. Connected to an idle instance. SQL> ORACLE instance started. Total System Global Area 1610612736 bytes Fixed Size 8793304 bytes Variable Size 520094504 bytes Database Buffers 1073741824 bytes Redo Buffers 7983104 bytes Database mounted. Database opened. SQL> Disconnected from Oracle Database 12c Enterprise Edition Release 126.96.36.199.0 - 64bit Production ######################### DATABASE IS READY TO USE! ######################### The following output is now a tail of the alert.log: ORCLPDB1(3):Undo initialization finished serial:0 start:6800170 end:6800239 diff:69 ms (0.1 seconds) ORCLPDB1(3):Database Characterset for ORCLPDB1 is AL32UTF8 ORCLPDB1(3):Opatch validation is skipped for PDB ORCLPDB1 (con_id=0) ORCLPDB1(3):Opening pdb with no Resource Manager plan active 2017-08-20T19:30:43.703897+00:00 Pluggable database ORCLPDB1 opened read write
Now that the database is up and running again, I can connect once more to the database inside:[oracle@localhost ~]$ sql gvenzl/supersecretpwd@//localhost:1521/ORCLPDB1 SQLcl: Release 4.2.0 Production on Sun Aug 20 20:10:28 2017 Copyright (c) 1982, 2017, Oracle. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 188.8.131.52.0 - 64bit Production SQL> select sysdate from dual; SYSDATE --------- 20-AUG-17 SQL> exit Disconnected from Oracle Database 12c Enterprise Edition Release 184.108.40.206.0 - 64bit Production Summary
This concludes my tutorial on how to containerize the Oracle Database using Docker. Note that Oracle has also provided build files for other Oracle Database versions and editions. The steps described above are largely the same but you should always refer to the README.md that comes with the build files. In there, you will also find more options for how to run your Oracle Database containers.
You can find the GitHub repository here.
Having an Oracle certification can be your ticket to secure future in IT. And with nearly 300 certs to choose from, anesthetist you have a lot of options. Which one is right for you?
Twenty years ago, the information technology certification landscape was vastly different than is the case today. The number of certification authorities in existence now is an order of magnitude greater than what existed then. In 1995, two of the credentials most likely to turbo-charge someone’s career were the Certified NetWare Engineer (CNE) and Microsoft Certified Systems Engineer (MCSE) designations.
Fast forward two decades and NetWare has essentially disappeared from the marketplace. The CNE certification still exists in a modified format, but its importance has diminished to a tiny fraction of what was the case in the ’90s. The retooled MCSE certification suite is still significant, but arguably does not have the same level of mojo that it had once upon a time.
One lesson to take from the above is the transitory nature of all things related to information technology. Earning a CNE in 1992 almost invariably had a significant influence on job offers and salary, but the same cannot be said of earning one in 2012. Since working careers generally last forty-plus years, it is extremely unlikely that any given technology that someone picks at the start of their career will be the same one they are using when they retire.
While this is something to keep in mind when choosing a career, it is not really the reason for bringing up the CNE and MCSE certifications. Instead what struck me as I started writing this article was that in 1995, these were the only two certifications that I considered pursuing. The Oracle certification program had not started. The Cisco CCIE had kicked off in 1993, but had not yet become widely known. The only CompTIA certification available was the A+ credential. There just were not very many choices.
Today there are dozens of certification authorities to choose from and hundreds of potential certification tracks to follow. Individuals must (or at least should) devote a considerable amount of time researching which one makes the most sense for them before they can begin the process of earning it. This article will not deal with the myriad certification options available in the market today. Comparing and contrasting all of the potential companies and technologies would take a novel-length presentation. Instead this article is about the Oracle certification program and presents some factors for consideration when determining whether to pursue one of the offered credentials.
Oracle as a company primarily focuses on high-end or enterprise-class solutions. Their software products tend to be high-performance and highly scalable tools directed at medium to large organizations. Most of their products also tend to be fairly expensive, albeit with a handful of exceptions such as Oracle Linux, MySQL, and VirtualBox.
Organizations tend to use Oracle software products for activities that are critical to their business. They are willing to pay a premium to have a solution that is more robust or faster or more capable than is possible from alternate products. From a professional standpoint, I have always found job openings for Oracle DBA and developer positions to have a higher salary range than comparable positions for other RDBMS (relational database management system) options such as MySQL, MariaDB, or Microsoft SQL Server. In my opinion, this is part of the same rationale that caused the organization to choose Oracle software.
When a software solution is critical to their business, companies want to hire candidates who can get the best possible results from it. The downside of that desire is that it is notoriously difficult for IT professionals with zero work experience to get their first job working as an Oracle DBA or developer. Getting a foot in the door of an Oracle shop requires more effort. Earning an Oracle certification can be a factor in landing that initial position.
The Oracle certification program now offers six distinct types of certifications. The credentials cover a wide range of potential candidates — from people who have never used Oracle to ones with many years of professional experience with the database. Three of the certifications below form a hierarchy (OCA, OCP, and OCM), while the other three (OCJA, OCE, OCS) have no relationship or dependency with any other Oracle credential.
Oracle Certified Junior Associate (OCJA) — This is a recent addition by the Oracle certification program. The OCJA exams are targeted at individuals who are very new to Oracle. The information tested is comparable to what is taught in college-level MIS and computer science courses. Note that while some people use the acronym OCJA to refer to the Associate level Java certifications, the official certification for these is “Oracle Certified Associate, Java”. They are still OCA-level credentials and are unrelated to the Oracle Certified Junior Associate designation.
Oracle Certified Associate (OCA) — These are entry-level certifications that are designed to assess knowledge of the fundamentals. OCA tests tend to cover a broad range of topics to a shallow depth.
Oracle Certified Professional (OCP) — Most OCP credentials require passing a set of exams that call for knowledge of material that is more advanced than the associate certifications. Tests at the OCP-level generally cover a narrower range of topics than OCA exams and require a greater depth of knowledge to answer.
Oracle Certified Expert (OCE) — The expert exams are designed to test for a high degree of proficiency in a specific subject area. OCE certifications are earned with a single test and cover a very narrow range of topics to a significant depth.
Oracle Certified Specialist (OCS) — The specialist exams are designed to focus on knowledge of the features and functionality of a specific Oracle product. Less technical than the OCA/OCP/OCE/OCM certifications, these exams are largely targeted at professionals who will be performing the initial implementation of a product.
Oracle Certified Master (OCM) — Oracle offers Master-level exams for database administration and Java developers. The administration exam is a two-day lab exercise while the Java OCM exams require candidates to complete a programming project in Java. Both require significant experience to pass.
One of the first preconceptions to dispense with is the thought that the Oracle certification program is only about the Oracle database. When it first started in 1998, Oracle created a handful of certifications that were intended for database administrators and Forms developers. While the number of exams fluctuates, however, as new ones are added and old ones retired, there are currently almost 300 offered. Less than a third of those exams are specifically about the Oracle RDBMS. The current counts and categories of the exams available are:
● Applications — 82● Database — 84● Enterprise Management — 3● Industries — 28● Java and Middleware — 66● Operating Systems — 15● Systems — 16● Virtualization — 3● Foundation — 2
In particular, Oracle’s acquisition of Sun expanded their certification program beyond the Oracle RDBMS. Thousands of IT professionals who have never worked with the Oracle database hold one or more Java certifications. The Solaris and MySQL certifications are likewise not directly related to the Oracle database. The company has purchased numerous other software development companies over the years, many of which had existing certification programs that have been rolled into Oracle’s offerings.
As a result, “Oracle” certifications are no longer restricted to database geeks. An information technology professional interested in working as a system administrator might find it rewarding to take the Oracle Linux Administration exams: Oracle Linux 5 and 6 System Administration (1Z0-100) and Oracle Linux 6 Advanced System Administration (1Z0-105). Given the current paradigm shift to virtualization, he might consider supplementing those credentials by pursuing a certification for Oracle VM 3.0 (1Z0-590). None of these certifications require any knowledge of the Oracle database.
In addition, many of the applications owned by Oracle are widely used by organizations around the globe. Taking PeopleSoft as a single example, there are eight certifications dedicated to this application suite alone. The PeopleSoft 9.2 Human Resources Essentials exam is targeted at professionals who specialize in the sales and installation of this solution. That said, the exam is open to anyone and there are several reasons why a human resource professional might decide to earn the certification even though they will never be responsible for installing it. Three potential examples include:
1) The company where the HR professional works (let’s call him “John”) is about to migrate their human resources software from another package to PeopleSoft. John has been given the task of working with the application integrator to ensure that the migration goes smoothly. Studying for and earning this certification will allow John to combine his inside knowledge of the organization and their legacy application with an in-depth understanding of the capabilities provided by PeopleSoft. This would almost certainly result in a smoother transition to PeopleSoft.
2) The company where John is working is considering moving to PeopleSoft from their current human resources application. Learning the capabilities of PeopleSoft will allow John to provide upper management with an insider’s perspective on whether the move makes sense. Software transitions of this type are both expensive and disruptive. It makes sense for an organization to invest the time and resources to gain a better understanding of whether the migration is worthwhile.
3) John is either unemployed or looking to change positions. He routinely sees job listings that reference PeopleSoft experience, but he has never worked with that application. Earning the certification and adding it to his resume may be just the thing to advance his career.
With minor changes of wording, the above three scenarios could be applied to several dozen certification exams offered for various Oracle applications. Anyone whose job role involves using one or more of these applications may find it worthwhile to earn the associated certification. The knowledge has a good likelihood of making them more effective at their job. Adding skills applicable to your job role will almost invariably improve career prospects.
The incredible range of exams available mean that a very broad set of people can locate a certification that matches their interests and skills. In an earlier article at CertMag.com, DBA or Developer? Deciding which one suits you best, I noted the importance in choosing a career path of matching your interests and aptitudes to the tasks you will be performing.
If you think that earning a certification for one or more Oracle products might be a good career move, check out the All Exams page on the Oracle certification website. Look through all of the offerings to determine which (if any) seem interesting to you. If you find one or more that seem like reasonable candidates, then I would recommend performing some additional research into them.
Only you know what your interests are. For example, if you hate social media, then it should take you only seconds to dismiss Oracle Social Relationship Management Cloud Service 2014 Essentials as a potential certification objective. If the reverse is true, you might want to spend some time researching what that test entails. Check out job sites to see if companies in your area mention the tested skills. Run some searches in Google to see what information you can find about the product. Ask questions on product forums from people who are using it. Career choices have a lasting impact, so it is important to spend the time required to make good ones.
If you do not have any knowledge or abilities useful to companies, then you are likely to be restricted to jobs that require candidates with few or no skills (such as the fast-food industry or politics). At this moment in time, Oracle is a name to conjure with. It has the lion’s share of the relational database market and is very profitable. So long as they maintain their position as the top dog in that market and continue to have applications that are widely used around the world, having Oracle skills will be useful to IT professionals. As noted in the first two paragraphs of this article, these things change over time. For the moment, however, if you are shopping around for a certification program (and company) to hitch your star to, Oracle is arguably a good choice.
ABOUT THE AUTHOR
Matthew Morris is an experienced DBA and developer. He holds Oracle DBA Certifications for releases 7, 8i, 9i, 10G and 11G; is an Oracle Advanced PL/SQL Developer Certified Professional; and holds Oracle Expert Certifications for SQL, SQL Tuning, and Application Express. He is the author of several Oracle certification guides. His Web site, www.oraclecertificationprep.com, is dedicated to providing links to resources for Oracle certification preparation.
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