|Exam Name||:||Oracle Database 11g: Advanced PL/SQL|
|Questions and Answers||:||166 Q & A|
|Updated On||:||February 18, 2019|
|PDF Download Mirror||:||Pass4sure 1Z0-146 Dump|
|Get Full Version||:||Pass4sure 1Z0-146 Full Version|
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these days, with perhaps slightly smaller enthusiasm, a opt for few can also be maintained of a rare and powerful approach—Oracle Database Administrator Certification. It still gives handsomely, but you need not sit down on a tripod in an old temple to use it. Receiving it, youngsters, is all the time a trip.
1) Make Lighted Early
If the ultimate aim is Oracle DBA Certification, you've got first to examine to be an Oracle certified affiliate (OCA). This formula entirely takes time and lots of guidance. you are taking two examinations and qualify to work as part of a crew on junior DB management.
both examinations present alternate options. that you could take and clear anybody of those three:
· Oracle Database 12c: SQL Fundamentals 1Z0-061—can you create, recuperate, manipulate and edit records in a database? did you know, and may you utilize, SQL? You can be asked to application in SQL
· Oracle Database 11g: SQL Fundamentals-I 1Z0-051—this greater or much less succeeds “Introduction to Oracle9i SQL” with 64 questions to answer in 2 hours. Questions involve offering facts from assorted tables; recovering, sorting and restraining data; creating schema objects; and handling set operators.
To have a superb opportunity of clearing any one of those, take skills of oraclestudy.com or acquire a necessary a part of this training as a element of an undergraduate degree software in database programming. you'll additionally require passing the Oracle Database 11g: Administration-I 1Z0-052 examination.
The Oracle Database 11g: Administration-I 1Z0-052 examination is a 90-minute examine wherein you set up DB environments, creating and preserving multiple Oracle situations. Configure and secure these conditions, exhibit the expertise of database backup and restoration, and administrate and manage storage preparations. You must no longer most effective comprehend the appropriate answer but the correct move for answering the issue.
2) be aware of the distinction between OCD and OCP
It is correct that numerous database administrators cash in on performing to have obsessive-compulsive disease (OCD) however to get to the heights of Oracle DB Administrator certification, you need to become an Oracle certified skilled (OCP). This issue shows (after already being an OCA) taking two courses and passing an exam in both DB 11g or DB 12c.
The path choice between 11g and 12c is superb. These lessons should be tutor-led, a virtual classification, or training on demand circumstances.
3) Convert yourself to master
grasp certification is the Oracle belfry. An Oracle licensed master (OCM) can work at advanced ranges in IT departments well-nigh anyplace, coping with mild statistics, explaining complicated challenges, and getting high salaries.
The requirement for OCM is OCA and OCP. comprehensive two further lessons (comparable to the coursework for OCP) which are teacher-led, digital, or practicing-on-demand. also, post outcomes of a outdated session, then select the Oracle Database 11g: certified grasp exam 11G (OCM). to quote from Oracle’s site:
individuals scored on their ability to complete indicated projects and to recover from a variety of database flop situations. facts from each participant's environment is acquired on the end of each and every situation and used to check the closing ranking. In some scenes, members might also obtain partial credit, youngsters the lack of ability to get well from a failure scenario outcomes in zero confidence for an entire situation.
four) salary from DB certification
if you're depressed as you scale these obstacles of Oracle Database Administrator Certification necessities and assessments, learn what may additionally anticipate you: expanded earnings. based on Oracle’s profits Survey, amongst North American contributors, the pay difference for normal salary is exciting:
· Oracle licensed: $99,190
· Non-licensed: $ninety two,276
The Bureau of Labor records (BLS)—might be a much less biased journalist than Oracle itself notes that the median annual wage for all DB directors, as of can also 2016, become $84,950, with an predicted 10 % job increase via 2024.
5) instruct your self
a fine vicinity to start the pilgrim’s path to Oracle Database Administrator Certification is through taking on-line apply tests provides via oraclestudy.com with a attention in Database Programming. visit oracle analyze these days to learn what the the following day might hold for you! It could be the best resolution You Ever Make!
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If you are familiar with advanced PL/SQL development concepts and want to make the jump from OCA to OCP certification, seek this is the exam for you.
1Z0-146: Oracle Database 11g: Advanced PL/SQL is the last of three exams required to become an Oracle Advanced PL/SQL Developer Certified Professional. This is currently the highest level of certification offered by Oracle in the PL/SQL development track and is intended for developers who are currently an Oracle PL/SQL Developer Certified Associate. Unlike many of the OCP certifications, there is no instructor-led training requirement for the PL/SQL developer tracks.
There is a second option on the development track for Oracle PL/SQL Developer Certified Associates that want to become OCP-certified. Candidates who pass the exam 1Z0-141: Oracle Forms: Build Internet Applications will become an Oracle Forms Developer Certified Professional. It is also possible to obtain the Advanced PL/SQL and Forms OCPs by passing both tests, of course.
Anyone pursuing this exam should already have passed one of two PL/SQL fundamentals exams: 1Z0-144 or 1Z0-147. These tests deal with basic concepts that ought to be a given for any developer. As the name suggests, the 1Z0-146 exam covers PL/SQL topics well advanced over those contained in either of the two lower-level exams. The Advanced PL/SQL exam includes topics in the following areas:
A fair amount of the subject matter in this exam is in areas that even PL/SQL developers with years of experience may never have used. That means preparing for 1Z0-146 can potentially improve the skills and knowledge even of veteran coders. In addition, many of the topics require experience coding real-world PL/SQL applications to make their value obvious. A candidate new to PL/SQL might well wonder how a particular capability could ever prove useful. An experienced developer reading about the same capability might see it as exactly what they need for a project they are currently working on.
Development | NewsOracle Updates Free Database Development Tool
Oracle has released the latest version of its free graphical database development tool, Oracle SQL Developer 3.0. SQL Developer 3.0 connects to any Oracle Database version 11g, 10g, or 9i (release 126.96.36.199 and later). It can also connect to third-party databases for the purposes of viewing metadata and data only. It enables developers to browse database objects, run SQL statements and scripts, edit and debug PL/SQL statements, and run custom or pre-defined reports.
This version is designed to simplify database migration and improve development and database administration tasks with new Query Builder, DBA Navigator, and Schedule Builder tools. It also introduces an Oracle Data Miner extension and support for Oracle Spatial. Oracle Data Miner identifies patterns to provide deeper insight to database analysis. Oracle Spatial enhances geospatial data to meet the needs of advanced geographic information system (GIS) applications.
New features of Oracle SQL Developer 3.0 include:
Oracle SQL Developer 3.0 for Windows, Mac, or Linux is available for download here.Editor's note: This article has been modified since its original publication to correct a factual error. As one reader pointed out, we incorrectly started that SQL Developer 3.0 worked only with Oracle 11g or later. The correct information, as now reflected in the text of the article, is: "SQL Developer 3.0 connects to any Oracle Database version 11g, 10g, or 9i (release 188.8.131.52 and later). It can also connect to third-party databases for the purposes of viewing metadata and data only." [Last updated April 22, 2011 at 4:07 p.m.] --David Nagel
Leila Meyer is a technology writer based in British Columbia. She can be reached at email@example.com.
@47383 This is an excerpt from Chapter 16 of the book "Oracle Database 11g SQL" by Jason Price, copyright 2008 from Oracle Press, a division of McGraw-Hill.Click here to download the full chapter.
In this chapter, you will do the following:
Introducing SQL Tuning
One of the main strengths of SQL is that you don't have to tell the database exactly how to obtain the data requested. You simply run a query specifying the information you want, and the database software figures out the best way to get it. Sometimes, you can improve the performance of your SQL statements by "tuning" them. In the following sections, you'll see tuning tips that can make your queries run faster; later, you'll see more advanced tuning techniques.
Use a WHERE Clause to Filter Rows
Many novices retrieve all the rows from a table when they only want one row (or a few rows). This is very wasteful. A better approach is to add a WHERE clause to a query. That way, you restrict the rows retrieved to just those actually needed.
For example, say you want the details for customer #1 and #2. The following query retrieves all the rows from the customers table in the store schema (wasteful):-- BAD (retrieves all rows from the customers table) SELECT * FROM customers; CUSTOMER_ID FIRST_NAME LAST_NAME DOB PHONE ----------- ---------- ---------- --------- ------------ 1 John Brown 01-JAN-65 800-555-1211 2 Cynthia Green 05-FEB-68 800-555-1212 3 Steve White 16-MAR-71 800-555-1213 4 Gail Black 800-555-1214 5 Doreen Blue 20-MAY-70
The next query adds a WHERE clause to the previous example to just get customer #1 and #2:-- GOOD (uses a WHERE clause to limit the rows retrieved) SELECT * FROM customers WHERE customer_id IN (1, 2); CUSTOMER_ID FIRST_NAME LAST_NAME DOB PHONE ----------- ---------- ---------- --------- ------------ 1 John Brown 01-JAN-65 800-555-1211 2 Cynthia Green 05-FEB-68 800-555-1212
You should avoid using functions in the WHERE clause, as that increases execution time.
Use Table Joins Rather than Multiple Queries
If you need information from multiple related tables, you should use join conditions rather than multiple queries. In the following bad example, two queries are used to get the product name and the product type name for product #1 (using two queries is wasteful). The first query gets the name and product_type_id column values from the products table for product #1. The second query then uses that product_type_id to get the name column from the product_types table.-- BAD (two separate queries when one would work) SELECT name, product_type_id FROM products WHERE product_id = 1; NAME PRODUCT_TYPE_ID ------------------------------ --------------- Modern Science 1 SELECT name FROM product_types WHERE product_type_id = 1; NAME ---------- Book Instead of using the two queries, you should write one query that uses a join between the products and product_types tables. The following good query shows this: -- GOOD (one query with a join)> SELECT p.name, pt.name FROM products p, product_types pt WHERE p.product_type_id = pt.product_type_id AND p.product_id = 1; This query results in the same product name and product type name being retrieved as in the first example, but the results are obtained using one query. One query is generally more efficient than two. You should choose the join order in your query so that you join fewer rows to tables later in the join order. For example, say you were joining three related tables named tab1, tab2, and tab3. Assume tab1 contains 1,000 rows, tab2 100 rows, and tab3 10 rows. You should join tab1 with tab2 first, followed by tab2 and tab3. Also, avoid joining complex views in your queries, because doing so causes the queries for the views to be run first, followed by your actual query. Instead, write your query using the tables rather than the views. Continue reading this chapter by downloading a free .pdf of SQL Tuning from Oracle Database 11g SQL. NAME NAME ------------------------------ ---------- Modern Science Book
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mySQL [4 Certification Exam(s) ]
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Nortel [130 Certification Exam(s) ]
Novell [37 Certification Exam(s) ]
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Oracle [279 Certification Exam(s) ]
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PayPal [1 Certification Exam(s) ]
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PostgreSQL-CE [1 Certification Exam(s) ]
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SASInstitute [15 Certification Exam(s) ]
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See-Beyond [1 Certification Exam(s) ]
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SUSE [1 Certification Exam(s) ]
Sybase [17 Certification Exam(s) ]
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Teacher-Certification [4 Certification Exam(s) ]
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Trainers [3 Certification Exam(s) ]
Trend [1 Certification Exam(s) ]
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Veeam [2 Certification Exam(s) ]
Veritas [33 Certification Exam(s) ]
Vmware [58 Certification Exam(s) ]
Wonderlic [2 Certification Exam(s) ]
Worldatwork [2 Certification Exam(s) ]
XML-Master [3 Certification Exam(s) ]
Zend [6 Certification Exam(s) ]
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