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Introduction to Oracle: SQL and PL/SQL

Exam Facts: 1Z0-001

Passing Score:

39, 68%
Questions: 57
Test Type: Online and Proctored
Format: Multiple Choice
Time Allotted: 120 minutes
Certifications: All Oracle Certified Professional Tracks
Study Brief: Online format
Feedback: Oracle Certified Professional Forum
   
Topics To Know
By Don Farland, Oraclenotes.com

The Introduction to Oracle exam is the keystone of the Database Administrator OCP program. Whether you are pursuing certification in versions 7.3, 8, or 8i, the foundation of the Oracle RDBMS is firmly rooted in the SQL and PL/SQL languages. If you want to get through this certification as painlessly as possible you will have to learn the information covered in this exam. This information comes from four distinct categories: SELECT statements, data manipulation, object creation, and basic PL/SQL.

This test can be very unforgiving if you don't know your stuff. The majority of the questions on the exam will provide a statement and an exhibit where you will either be asked to identify the line that is malformed or the outcome of the statement. This is never more apparent than in the examples using mismatched comparison operators, violated integrity constraints, and mixed single-group functions. Review the exhibits carefully and parse each statement in your head to avoid making what will surely amount to a careless mistake. The rest of the questions will generally take a more "direct" approach, with questions that ask you to identify the benefits or behavior of a particular structure or keyword. You will also be tested on the correct use of GROUP functions, the HAVING clause, and the utilization of runtime variables. In addition, you will definitely receive a couple of questions on joins, especially outer and self-joins.

Be sure you are familiar with the various stages of database design. You are sure to get a couple of questions about Entity-Relationship Diagrams and the stages of system development. Also expect numerous questions about DML, DCL, commits, and rollbacks. Object creation seems to take a back stage in this exam, but expect a couple of questions each for tables, indexes, constraints, sequences, and views. The final three will probably seem to get the most attention, make sure you know the rules governing the utilization of all three objects.

While it may seem that PL/SQL is a "back burner" topic in this exam it is definitely not the case. PL/SQL accounts for approximately 20% of this exam and has the potential to severely hamper your efforts to pass. The most important aspects to be familiar with are process flow, cursors, and loops. These areas will draw the most attention, but expect a few questions on block constructs, exception handling, and variable assignments.

The key to passing this exam is being thorough. Your worst enemy is your own carelessness. Read the question carefully, then read ALL the answers. Unless you are absolutely certain of the answer, reread the question and answers again and then begin the selection process. Try to rule out the absurd answers the first time through. Surprisingly, this can sometimes eliminate all of the answers except for the correct one. Make sure to take advantage of the MARK feature. Mark any question you are unsure. Sometimes a later question will trigger something in your memory and having marked the question will make it easier to locate later.

Good Luck!


 

 

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