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Oracle 1Z0-147 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Procedures and Functions | 20% | - Creating and invoking functions
|
| PL/SQL Fundamentals | 15% | - Declaring Variables and Data Types
|
| Error Handling and Exceptions | 10% | - Exception concepts
|
| Control Structures | 15% | - Conditional statements
|
| Packages | 20% | - Package structure
|
| Managing Dependencies and Performance | 5% | - Object dependencies
|
| Database Triggers | 15% | - Trigger concepts
|
Oracle9i program with pl/sql Sample Questions:
1. Which two program declarations are correct for a stored program unit? (Choose two)
A) CREATE OR REPLACE PROCEDURE tax_amt
(p_id NUMBER)
RETURN NUMBER
B) CREATE OR REPLACE PROCEDURE tax_amt
(p_id NUMBER, p_amount OUT NUMBER(10, 2))
C) CREATE OR REPLACE FUNCTION tax_amt
(p_id NUMBER)
RETURN NUMBER(10,2)
D) CREATE OR REPLACE PROCEDURE tax_amt
(p_id NUMBER, p_amount OUT NUMBER)
E) CREATE OR REPLACE FUNCTION tax_amt
(p_id NUMBER)
RETURN NUMBER
2. Why do you use an INSTEAD OF trigger?
A) To insert data into a view that normally does not accept inserts.
B) To modify data in which the DML statement has been issued against an inherently nonupdateable view.
C) To insert into an audit table when data is updated in a sensitive column.
D) To perform clean up actions when ending a user session.
3. Which statements are true? (Choose all that apply)
A) If errors occur during the compilation of a trigger, the trigger is still created.
B) If errors occur during the compilation of a trigger you can use the SHOW ERRORS command within iSQL *Plus to see the compilation errors.
C) If errors occur during the compilation of a trigger you can go into SQL *Plus and query the USER_ERRORS data dictionary view to see compilation errors.
D) If errors occur during the compilation of a trigger you can go into SQL *Plus and query the USER_TRIGGERS data dictionary view to see the compilation errors.
4. You want to create a PL/SQL block of code that calculates discounts on customer orders. -This code will be invoked from several places, but only within the program unit ORDERTOTAL. What is the most appropriate location to store the code that calculates the discounts?
A) A block of code in a PL/SQL library.
B) A stored procedure on the server.
C) A block of code in the body of the program unit ORDERTOTAL.
D) A local subprogram defined within the program unit ORDERTOTAL.
E) A standalone procedure on the client machine.
5. When using a PL/SQL stored package, how is a side effect defined?
A) changes only to packaged public variables defined in a package body
B) changes only to packaged public variables defined in a package specification
C) changes to database tables or packaged variables defined in a package specification
D) changes only to database tables
E) changes to database tables or packaged public variables defined in a package body
Solutions:
| Question # 1 Answer: D,E | Question # 2 Answer: B | Question # 3 Answer: A,B,C | Question # 4 Answer: D | Question # 5 Answer: C |
