|Exam Name||:||DB2 9 Advanced DB Administrator for Linux, UNIX, and Windows|
|Questions and Answers||:||102 Q & A|
|Updated On||:||February 18, 2019|
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000-734 exam Dumps Source : DB2 9 Advanced DB Administrator for Linux, UNIX, and Windows
Test Code : 000-734
Test Name : DB2 9 Advanced DB Administrator for Linux, UNIX, and Windows
Vendor Name : IBM
Q&A : 102 Real Questions
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informationIBM DB2 Will target Oracle Database developers
IBM this week announced a brand new version of its flagship DB2 database with application as a way to supply compatibility with purposes built for Oracle databases.
Embedded in IBM's imminent DB2 9.7, code-named "Cobra" and slated for free up in June, is utility that gives compatibility with EnterpriseDB Corp.'s Postgres Plus advanced Server database, which helps all Oracle data varieties, SQL syntax, semantics and other applications developed with Oracle PL/SQL kept tactics. Postgres superior Server is constructed on the open source PostgreSQL database.
"The set of applied sciences now we have brought will assist builders of customized purposes and packaged functions deploy to DB2," noted Bernie Spang, director of approach, analytics and statistics management for IBM's application group.
For IBM, or not it's the primary time the company has licensed technology from a company of open source database utility, notwithstanding EnterpriseDB founder Andy Astor referred to the software embedded in DB2 is in keeping with proprietary code.
"this is now not an open source play," Astor noted. "everything else we do is open supply however that is among the approaches we make our funds, by promoting that compatibility know-how each to carriers like IBM, during this case, and to clients in the variety of Postgres Plus advanced Server."
EnterpriseDB features to a number of clients together with FTD and Sony online enjoyment which have migrated purposes developed for Oracle databases to Postgres Plus. The contend with IBM "gives them with confirmed functionality for enabling compatibility between DB2 and applications written for Oracle," observed 451 community analyst Matthew Aslett in an electronic mail.
"Database migrations are complicated, time-ingesting, costly and infrequent, so any functionality that makes the system simpler goes to be welcomed by way of these corporations which are prepared to make the start," he delivered.
The licensing pact is the first by means of EnterpriseDB, however Astor observed others are being negotiated.
IBM is hoping the flow will encourage greater consumers emigrate to its InfoSphere Warehouse 9.7 business version, a data-cleansing and company analytics platform based on DB2 and know-how IBM obtained from Cognos.
the brand new liberate is centered at bringing information mining, analytics and cubing to departments of businesses and smaller agencies, Spang pointed out. additionally new in DB2 is help for performing simultaneous transactions throughout XML and relational statistics.
Jeffrey Schwartz is govt editor, aspects, for Redmond Developer news. you can contact him at firstname.lastname@example.org.
SAN JOSE, Calif.--(company WIRE)--HiT software®, Inc., a frontrunner in database entry, integration and replication, nowadays announced the most recent unencumber of a household of ODBC and OLE DB connectivity products optimized for the IBM DB2 v.9 ambiance including IBM DB2 for z/OS, and IBM DB2 for home windows, UNIX, and Linux. HiT ODBC and OLE DB connectivity items now present full compatibility with Microsoft windows Server 2008 and SQL Server 2008, enabling developers and programmers to capitalize on Microsoft’s advanced facets for facts scalability and utility building, making them wholly obtainable to IBM DB2 v.9 methods.
“HiT utility connectivity products for IBM DB2 are specially designed to address the complexities worried in bridging purposes with both new and legacy IBM records environments,” mentioned Giacomo Lorenzin, CEO, HiT application, Inc. “within the current company environment, businesses are stressful enhanced information flexibility, and this comprises information circulation to windows-based functions. Our connectivity products get rid of the need for IBM DB2 technical capabilities and simply make significant quantities of IBM facts obtainable to custom and prepackaged purposes.”
“we've been using HiT application’s ODBC issuer for IBM DB2 for a number of years. Our equipment requires respectable and excessive efficiency access to DB2 z/OS information and stored procedures. The HiT ODBC driver become easy to install and use,” stated Joseph Gregoire, Senior systems Analyst and team Lead, IS business support capabilities, insurance company of British Columbia. “We also respect HiT utility’s provider and guide group, who reply rapidly and supply key information essential to keeping our programs up and working smoothly.”
HiT application ODBC and OLEDB items are recognized for their high-efficiency, small footprint, security, and legitimate access to DB2 records. greater than a thousand clients worldwide have downloaded HiT ODBC or OLEDB items to take skills of elements including:
HiT OLEDB items totally support Microsoft SQL Server 2008 and 2005, with points for linked servers together with open query syntax, heterogeneous joins and saved technique calls with output parameters.
each HiT ODBC and HiT OLEDB connectivity products assist full SQL performance including pooling and connection load administration, kept strategies, diverse result sets, multi-threading, ODBC level three.x conformance, error reporting and more.
HiT software additionally gives heterogeneous data integration and transformation through DBMoto™ for statistics replication and Allora™ for XML transformation.
About HiT software, Inc.
For greater than a decade, HiT software products have been proposing entry to vital statistics, enabling information availability and providing programming-free facts integration throughout enterprise methods. HiT application’s necessities-based items function true-time, bi-directional replication between all primary databases; execute actual-time, bi-directional transformations between XML and all predominant databases; and fasten applications to IBM DB2 databases via .net, OLE DB, ODBC and JDBC specifications. headquartered in 1994 and primarily based in San Jose, California, HiT utility is relied upon by means of lots of agencies in very nearly all vertical markets all over the world. additional info is available at www.hitsw.com, through electronic mail at email@example.com, or via cell at +1(408)345-4001.
HiT application, DBMoto, and Allora are emblems or registered trademarks of HiT software, Inc. All different product and business names herein could be emblems and/or registered logos of their registered owners.
Most professionals want to increase their careers – and IBM DB2 gurus are not any exception. As know-how alterations, it be logical to expect that practitioners may still replace their resumes to dwell aggressive. Even authorities armed with years of palms-on experience can benefit from certain DB2 certifications, in keeping with Roger Sanders, author of DB2 9 Fundamentals Certification study e book. licensed IBM DB2 9 experts have an potential over non-certified people when it comes to getting a job, Sanders talked about.
To find out greater, SearchDataManagement.com spoke with Sanders to listen to why he thinks IBM DB2 certifications are value it.
This 20-minute podcast is important to these looking for greater advice about DB2 9 certifications, as well as to people who are already licensed, but who need to enhance their resumé with additional certifications. Listeners will:
about the speaker: Roger E. Sanders, President of Roger Sanders businesses, Inc. is a Consulting company methods Engineer with EMC. He has been designing and setting up databases and database purposes for more than 20 years and has been working with DB2 9 for Linux, UNIX, and windows and its predecessors on account that it become first delivered on the IBM notebook (as part of OS/2 1.3 extended version). He has written articles for IDUG solutions Journal and Certification magazine, authored DB2 tutorials for IBM's developerWorks net web page, presented at several overseas DB2 person's community (IDUG) and regional DB2 person's group (RUG) conferences, taught courses on DB2 household Fundamentals and DB2 Database Administration, and is the author of sixteen books on DB2 .
For extra on facts administration careers:
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DB2 DBAs have a number of graphical-based tools they can use to manage and administer DB2 data servers. Alternatively, a DBA can also use a script-based approach to administer the data environment using the DB2 tools to create and schedule the scripts. This section briefly details the main graphical tools available with DB2.Control Center
The Control Center is the central point of administration for DB2. The Control Center provides DBAs with the tools necessary to perform typical database administration tasks. It allows easy access to other server administration tools, gives a clear overview of the entire system, enables remote database management, and provides step-by-step assistance for complex tasks.
The All Systems object represents both local and remote data servers. To display all the DB2 systems that your system knows about, expand the object tree by clicking on the plus sign (+) next to All Systems. In Figure 1-17, you can see a DB2 data server called PAULZ contains a DB2 instance called DB2, in which the database TEST is located.
When you highlight an object, details about that object are shown in the Contents Pane.
The main components of the Control Center are:
The Control Center also comes with personality control that you can use to adjust the view and functions available from the Control Center's tree view of your data server. For example, you can limit the Object Pain view to show just Tables or Views, as well as limit the actions you can perform from the context-sensitive right-click menu options. You can customize your Control Center personalities using Tools → Tools Settings → Customize Control Center.DB2 Replication Center
The DB2 Replication Center is a graphical tool that allows DBAs to quickly set up and administer all forms of data replication, including the options offered by WebSphere Replication Server. The main functions in setting up a replication environment can be performed with this tool, including:
You can use the Replication Center to set up all kinds of DB2 replications, as shown in Figure 1-18.Other Tools Available from the Control Center
By using the Control Center tool bar, you can access a host of other graphical administration tools to help you manage and administer databases in your environment:
The DB2 Health Center (Figure 1-19) is the central point of information with respect to managing the health of your DB2 system. When you install a DB2 9 data server, out of the box it automatically monitors 27 (and counting) health indicators that proactively monitor the health of your data server. The DB2 Health Center implements a management-by-exception model whereby alerts are surfaced when Warning or Alarm thresholds are breached. Although DB2 configures these thresholds for you out of the box, you can configure them yourself as well as specify scripted actions to occur in the event of an alert.
You don't have to use the DB2 Health Center to work with DB2's health information or set triggered actions to occur on threshold breaches. You can use a number of SQL-based user defined functions to work with the DB2 health facilities from the command line.
The DB2 Health Center can monitor indicators across the following health categories:
The DB2 Health Center's graphical user interface allows DBAs to select database objects and drill down on its details, current alerts, and the recommended actions. The DB2 Health Center also includes the DB2 Recommendation Advisor that can be used to walk through potential fixes to alerts and alarms raised in this facility.DB2 Configuration Assistant
The DB2 Configuration Assistant (DB2 CA) lets you maintain a list of databases to which your applications can connect, as well as manage and administer those connections. It is mostly used for client connectivity configuration. You can start the DB2 CA by entering the db2ca command from your operating system's command-line shell or from the DB2 folder in the Start menu. Some of the functions available in the DB2 CA are shown in Figure 1-20.
Using the DB2 CA, you can work with existing databases, add new ones, bind applications, set client configuration and registry parameters (also shown in Figure 1-20), test connectivity, and import and export configuration profiles.
The DB2 CA's graphical interface makes these complex tasks easier by means of the following:
The DB2 CA's Discovery feature is very useful because it allows you to add a database connection without having to know the syntax of DB2 CATALOG NODE and DB2 CATALOG DATABASE commands, or even the location information of the remote data server.
As you can see in Figure 1-20, the DB2 CA displays a list of the databases to which your applications can connect from the workstation where it was started. Each database is identified first by its database alias, then by its name. You can use the Change Database Wizard to alter the information associated with databases in this list. The CA also has an Advanced view, which uses a notebook to organize connection information by the following objects:
DB2 comes with a set of Wizards and Advisors to help you with day-to-day tasks. Wizards can be very useful to both novice and expert DB2 users. Wizards help you complete specific tasks by taking you through each task one step at a time and recommending settings where applicable. Wizards are available through both the Control Center and the Configuration Assistant.
There are wizards for adding a database to your system, creating a database, backing up and restoring a database, creating tables, creating table spaces, configuring two-phase commit environments, configuring database logging, updating your documentation, setting up a High-Availability Disaster Recovery (HADR) pair, tuning your performance, and more.
Figure 1-21 shows a portion of the Create Database wizard in DB2 9.
Advisors are special types of wizards that do more than provide assistance in completing a task. Traditional wizards take you step-by-step through a task, simplifying the experience by asking important questions or generating the complex command syntax for the action you want to perform. When a wizard has more intelligence than just task completion and can offer advisory-type functions, DB2 calls them advisors. They operate just like wizards but are intelligent enough (having some pretty complex algorithms) to generate advice based on input factors such as workload or statistics. Advisors help you with more complex activities, such as tuning tasks, by gathering information and recommending options that you may not have considered. You can then accept or reject the advisor's advice. You can call advisors from context menus in the DB2 administration tools, from APIs, and the command-line interface.
Advisors are part of the IBM autonomic computing effort, which aims to make software and hardware more SMART (self-managing and resource tuning). There are three main advisors in DB2 9: the DB2 Configuration Advisor, the DB2 Recommendation Advisor, and the DB2 Design Advisor.
The DB2 Configuration Advisor is automatically run for you whenever you create a new database in DB2 9. It can configure up to 35 instance-level and database-level parameters for you based on responses to high-level questions that describe the data server environment and type of application you plan to support.
The DB2 Recommendation Advisor, as previously mentioned, is closely associated with the DB2 Health Center and is used to offer solutions to raised alerts and alarm breeches in this facility.
The DB2 Design Advisor is used to identify objects such as materialized query tables (MQTs), multidimensional clustering tables (MDCs), indexes, and partitioning keys that could optimize a given SQL workload. The DB2 Design Advisor can also identify indexes that aren't needed as well (shown in Figure 1-22).
When using this advisor it's important to note that the suggestions it provides are based on a submitted workload. If you've left out significant portions of a workload, the answer will not reflect the impact of the missing workload. In addition, the DB2 Design Advisor gives you the ability to heavily weight SQL statements in a submitted workload over others, giving you more control with respect to how the DB2 Design Advisor will recommend the creation of performance objects with respect to your real workload characteristics.The DB2 Command Line Processor
The DB2 Command Line Processor (DB2 CLP) is a component common to all DB2 products. It is a text-based application that can be used to issue interactive SQL statements or DB2 commands. For example, you can create a database, catalog a database, and issue dynamic SQL statements all from the DB2 CLP. Your DB2 statements and commands can also be placed in a file and executed in a batch environment, or they can be entered in interactive mode.
Figure 1-23 shows an example of using the DB2 CLP to enter DB2 commands. The DB2 CLP operates in an "interactive" mode and therefore does not require the db2 prefix associated with entering DB2 commands.
The DB2 CLP is provided with all DB2 and DB2 Connect products. All SQL statements issued from the DB2 CLP are dynamically prepared and executed on the data server. The output, or result, of the SQL query is displayed on the screen by default. All of the DB2 commands that you can enter in the DB2 CLP are documented in the DB2 Command Reference. You learn more about the DB2 CLP and how to enter DB2 commands from an operating system's native CLP in Chapter 2.Visual Explain
Other graphical tools can be used for tuning or monitoring performance. Visual Explain is a graphical utility that provides a visual representation of the access plan that DB2 uses to execute an SQL statement.
Visual Explain can be invoked from the Control Center, the DB2 CLP (though the output in textual and not graphical), the DB2 DWB, or from the Command Editor.
Figure 1-24 shows the type of information that is displayed. You can see that the query is accessing two tables and an approximation of the cost of each step of this query is also provided in the Visual Explain output. The estimated query costs represent the complexity and resource usage expected for a given SQL query. There are many more details and features provided in Visual Explain under the Statement menu option.
Figure 1-24 Using Visual Explain to look at how your query is run by DB2DB2 Query Patroller
DB2 Query Patroller (DB2 QP) is an add-on product that can be used to control and monitor query execution, as well as work with queries to prioritize and schedule user queries based on user profiles and cost analysis performed on each query. Large queries can be put on hold and scheduled for a later time during off-peak hours. Queries with high priority (based on user profiles) are promoted to the top of the schedule.
In addition, DB2 QP monitors resource utilization statistics. DB2 QP can use this information to determine the load distribution of the system, which can allow it to balance the number of users allowed to submit queries at any given time.
DB2 QP greatly improves the scalability of a data warehouse by allowing hundreds of users to safely submit queries on multi-terabyte class data servers. Its components span the distributed environment to better manage and control all aspects of query submission. The services provided by this product act as an agent on behalf of the end user. It prioritizes and schedules queries so that query completion is more predictable and system resources are more efficiently utilized. DB2 QP obtains query costs from the DB2 Optimizer and then schedules them for execution—this means that DB2 QP is tightly integrated with DB2 engine.
DB2 QP can also be used to set individual user and user class priorities as well as user query limits. This enables the data warehouse to deliver the needed results to its most important users as quickly as possible. If desired, an end user can choose to receive notice of scheduled query completion through e-mail.
Finally, as discussed earlier in this chapter, DB2 QP offers the ability to perform charge back for data server usage to specific departments identified by accounting strings on the connection context. For example, if marketing is using the data warehouse three times more than accounting, they should pay three times the charge back. In Figure 1-25, you can see one of many canned reports that come with DB2 QP. This one shows the number of statements run by month. You can drill down into this view to the minute and second interval, as well as access a host of other reports such as average execution time, average wait time, average queue time, and more.
Figure 1-25 Performing charge back with DB2 Query PatrollerDatabase Monitoring Tools
The Snapshot Monitor captures database information at specific intervals. The interval time and data represented in the performance graph can be configured. The Snapshot Monitor can help analyze performance problems, tune SQL statements, and identify exception conditions based on limits or thresholds.
The Event Monitor captures database activity events as defined by the event monitor definition. Event Monitor records are usually stored on disk and then analyzed after the data has been captured. The Event Analyzer graphical tool provided with DB2 can be used to analyze the captured data.
The Activity Monitor help you improve the efficiency of database performance monitoring, problem determination, and resolution. By tracking a set of predefined monitor data, the Activity Monitor allows you to quickly locate the cause of a problem. You can then take direct action to resolve the problem or invoke another tool for further investigation. The Activity Monitor can help you monitor application performance, application concurrency, resource consumption, and SQL statement usage. It can also assist you in diagnosing performance problems such as lock waiting situations (as shown in Figure 1-26), and in tuning queries for optimal utilization of the data server's resources.
Figure 1-26 Using the Activity Monitor to diagnose a lock waiting problemThe DB2 Storage Management Tool
The DB2 Storage Management Tool can be used to monitor the storage state of a database. You can use this facility to take storage snapshots for a database or a table space. When a database or snapshot is taken, statistical information is collected for all the table spaces defined in the given database (you can also snapshot at the table space level).
The Storage Management Tool enables you to set thresholds for data skew, space usage, and index cluster ratio. If a target object exceeds a specified threshold, the icons beside the object and its parent object in the Storage Management view are marked with a warning flag or an alarm flag—similar to the DB2 Health Center.
You can see in Figure 1-27 that the SYSCATSPACE table space is running out of space as it's 98 percent used.
Figure 1-27 Using the DB2 tools to manage storage activityThe DB2 Aftermarket Tools
There are two kinds of tools for DB2: those that are free and those that are add-ons that can be purchased separately. The free tools come as part of a DB2 installation and can be launched from the Control Center, the Configuration Assistant, or on their own. A separate set of purchasable tools are available to help ease a DBA's task of managing and recovering data, tuning performance, and more. The DB2 suite of these tools includes (www-306.ibm.com/software/data/tools/mptools.html):
Roger E. Sanders
DB2 9 for Linux, UNIX, and Windows Database Administration Certification Study Guide (MC Press) Ace the DB2 9 UDB DBA Certification Test (731) with DB2 9 for Linux, UNIX, and Windows Database Administration Certification Study Guide. This comprehensive study guide covers all areas of the test, providing sample questions for each subject with detailed answers. This is an excellent resource for anyone serious about their IBM Certified Database Administrator certification.
Chapter 8 – Security – author Roger E. Sanders, a DB2 expert involved in the development of IBM's DB2 certification exams, focuses on questions that cover the ways DB2 uses to protect data and database objects against unauthorized access and modification. An ability to identify security methods, authorization levels and privileges, as well as knowledge of label based access control (LBAC).
Take a look at this sample chapter.
This chapter excerpt from DB2 9 for Linux, UNIX, and Windows Database Administration Certification Study Guide, by Roger E. Sanders, is made available from MC Press. October 15, 2007 (ISBN 978-158347-077-0). Copyright © 2007.
ODBC (Open Data Base Connectivity) is an interface to access databases via SQL queries. ODBC can be used as an access tool to various databases such as MS-Access, dBase, DB2, Excel, and Text. Through these Call Level Interface (CLI) specifications of the SQL Access Group, the OBDC allows a neutral way of accessing the data stored in personal computers and various databases. It was first created by Microsoft and Simba Technologies. ODBC 1.0 was initially released in September 1992, and eventually became a part of the international SQL standard in 1995. Microsoft originally shipped the ODBCs as a set of DLLs and still today, ships the set with every copy of Microsoft Windows. Today, more and more operating systems such as Unix and Apple are adopting the ODBC.
The strength of ODBC is that by providing a universal data access interface, it allows independent software companies and parties to not have to learn multiple application programming interfaces. To simply put, with ODBC, applications can simultaneously access, view, and modify database from numerous and quite diverse databases. This is because the ODBC “re-codes” the SQL queries so that it would be readable by the various different databases.
However, the ODBC also has its drawbacks. As managing a huge number of ODBC clients can mean an immense amount of drivers and DLLs being run, this could lead to a system administration overhead. Nonetheless, this minor issue led to further uses of the ODBC server technology (or the “Multi-Tier ODBC Drivers”) to alleviate the load. Also, as drivers are a key in ODBCs, some have raised the issue of the newer drivers’ stability, as often many have shown to have bugs in them.How ODBC is Processed
To use the ODBC, three components are needed: ODBC client, ODBC driver, and a DBMS server (ex. Microsoft Access, SQL Server, Oracle, and FoxPro). Firstly, the ODBC client will use a command (referred to as “ODBC”) to interact (requesting and/or sending data) with the DBMS server (back-end). However, the DBMS server will not understand the command by the ODBC client yet, as the command has yet to be processed through the ODBC driver (front-end). So then, the ODBC driver will decode the command that can be processed by the ODBC server and be sent there. The ODBC server will then respond back to the ODBC driver which will translate the final output to the ODBC client.ODBC Drivers
ODBC drivers are specific to each type of database.Where to Get an Oracle ODBC Driver
The Oracle ODBC Drivers Download Page is the source for official Oracle ODBC drivers.
The Easysoft ODBC Oracle Driver improves on the stock Oracle ODBC drivers by providing improved performance and easier maintenance.
OpenLink Software provides both Single-Tier and Multi-Tier Oracle ODBC drivers.
Attunity provides a data adapter which includes an Oracle ODBC driver.Where to Get a MySQL ODBC Driver
MySQL Connector/ODBC is the official MySQL ODBC driver.
OpenLink Software provides both Single-Tier and Multi-Tier MySQL ODBC drivers.Sources for Other ODBC Drivers
To search for an ODBC driver for another database, check the unixODBC list of ODBC drivers which work with unixODBC.ODBC Driver Managers
The two main ODBC driver managers for Unix are iODBC and unixODBC.iODBC (Independent Open DataBase Connectivity) is an Open Source platform independent implementation of both the ODBC and X/Open specifications. iODBC provides both an ODBC driver manager and an SDK that facilitates the development of database-independent applications. iODBC includes a GTK+-based administration tool.
iODBC has been ported to numerous platforms, including: Linux (x86, Itanium, Alpha, Mips, and StrongArm), Solaris (Sparc & x86), AIX, HP-UX (PA-RISC & Itanium), Digital UNIX, Dynix, Generic Unix 5.4, FreeBSD, MacOS 9, MacOS X, DG-UX, and OpenVMS.
unixODBC provides Unix applications with the same ODBC 3.51 API and facilities available under Windows. unixODBC provides a Driver Manager that supports the full ODBC API and performs the ODBC 3 to ODBC 2 translations with UNICODE to ANSI conversion. unixODBC also includes a set of graphical utilities that allow users to specify connections to DBMSes to be used by applications, a collection of ODBC drivers including a simple text based driver, an NNTP driver, a Postgres driver and others, and a selection of templates and libraries that to aid in the construction of ODBC drivers. unixODBC works with MySQL, Postgres, StarOffice/OpenOffice, Applixware, iHTML, PHP, Perl DBD::ODBC, and many other applications and drivers. Connection pooling is also provided to increase performance with applications such as PHP. unixODBC includes a QT-based administration GUI.
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