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Oracle 1Z0-147 Exam Syllabus Topics:

SectionWeightObjectives
PL/SQL Fundamentals15%- Overview of PL/SQL
  • 1. Block structure and execution
  • 2. Architecture and benefits
- Declaring Variables and Data Types
  • 1. Using %TYPE and %ROWTYPE attributes
  • 2. Scalar, composite, reference types
Packages20%- Advanced package features
  • 1. Persistent state and cursors
  • 2. Overloading subprograms
  • 3. Package initialization
- Package structure
  • 1. Scope and visibility
  • 2. Specification and body
Error Handling and Exceptions10%- Handling exceptions
  • 1. Propagation and logging
  • 2. EXCEPTION block structure
- Exception concepts
  • 1. Predefined exceptions
  • 2. User-defined exceptions
Database Triggers15%- Creating and managing triggers
  • 1. Trigger body and restrictions
  • 2. Enabling, disabling, and dropping triggers
- Trigger concepts
  • 1. DML, INSTEAD OF, DDL triggers
  • 2. Firing order and timing
Procedures and Functions20%- Creating and invoking functions
  • 1. Differences between procedures and functions
  • 2. Return values and usage in SQL
- Creating and invoking procedures
  • 1. Parameter modes IN, OUT, IN OUT
  • 2. Privileges and dependencies
Control Structures15%- Conditional statements
  • 1. IF, ELSIF, CASE expressions
- Iterative statements
  • 1. Nested loops and EXIT conditions
  • 2. LOOP, WHILE, FOR loops
Managing Dependencies and Performance5%- Object dependencies
  • 1. Invalidation and recompilation
  • 2. Privileges and security

Oracle9i program with pl/sql Sample Questions:

All users currently have the INSERT privilege on the PLAYER table. You only want your users to insert into this table using the ADD_PLAYTER procedure. Which two actions must you take? (Choose two)

  • A. GRANT INSERT ON PLAYER TO PUBLIC;
  • B. GRANT SELECT ON ADD_PLAYER TO PUBLIC;
  • C. GRANT EXECUTE ON ADD_PLAYER TO PUBLIC;
  • D. GRANT EXECUTE,INSERT ON ADD_PLAYER TO PUBLIC;
  • E. REVOKE INSERT ON PLAYER FROM PUBLIC;
Reveal Solution  Discussion  0

Correct Answer: C,E  🗳️

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Local procedure A calls remote procedure B.
Procedure B was compiled at 8 A.M.
Procedure A was modified and recompiled at 9 A.M. Remote procedure B was later modified and recompiled at 11 A.M.
The dependency mode is set to TIMESTAMP.
What happens when procedure A is invoked at 1 P.M?

  • A. Procedure B is invalidated and recompiles when invoked.
  • B. Procedure A is invalidated and recompiles for the second time it is invoked.
  • C. Procedure A is invalidated and recompiles for the first time it is invoked.
  • D. There is no affect on procedure A and it runs successfully.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Examine this code:
CREATE OR REPLACE TRIGGER update_emp
AFTER UPDATE ON emp
BEGIN
INSERT INTO audit_table (who, dated)
VALUES (USER, SYSDATE);
END;
You issue an UPDATE command in the EMP table that results in changing 10 rows.
How many rows are inserted into the AUDIT_TABLE?

  • A. 10
  • B. 1
  • C. None
  • D. A value equal to the number of rows in the EMP table.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

You need to create a trigger on the EMP table that monitors every row that is changed and places this information into the AUDIT_TABLE.What type of trigger do you create?

  • A. Statement-level trigger on the EMP table.
  • B. FOR EACH ROW trigger on the EMP table.
  • C. FOR EACH ROW statement-level trigger on the EMPtable.
  • D. FOR EACH ROW trigger on the AUDIT_TABLE table.
  • E. Statement-level trigger on the AUDIT_TABLE table.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

A dependent procedure or function directly or indirectly references one or more of which four objects? (Choose four)

  • A. packaged procedure or function
  • B. privilege
  • C. view
  • D. sequence
  • E. procedure
  • F. anonymous block
Reveal Solution  Discussion  0

Correct Answer: A,C,D,E  🗳️

Explanation: Only visible for Prep4away members. You can sign-up / login (it's free).

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