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Oracle 1Z0-147 valid exam - in .pdf Free Demo

  • Exam Code: 1Z0-147
  • Exam Name: Oracle9i program with pl/sql
  • Last Updated: Jul 31, 2026
  • Q & A: 111 Questions and Answers
  • Convenient, easy to study. Printable Oracle 1Z0-147 PDF Format. It is an electronic file format regardless of the operating system platform. 100% Money Back Guarantee.
  • PDF Price: $59.98    

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  • Exam Code: 1Z0-147
  • Exam Name: Oracle9i program with pl/sql
  • Last Updated: Jul 31, 2026
  • Q & A: 111 Questions and Answers
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Oracle 1Z0-147 Exam Syllabus Topics:

SectionWeightObjectives
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
PL/SQL Fundamentals15%- Overview of PL/SQL
  • 1. Architecture and benefits
  • 2. Block structure and execution
- Declaring Variables and Data Types
  • 1. Scalar, composite, reference types
  • 2. Using %TYPE and %ROWTYPE attributes
Packages20%- Advanced package features
  • 1. Package initialization
  • 2. Overloading subprograms
  • 3. Persistent state and cursors
- 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. User-defined exceptions
  • 2. Predefined exceptions
Control Structures15%- Iterative statements
  • 1. LOOP, WHILE, FOR loops
  • 2. Nested loops and EXIT conditions
- Conditional statements
  • 1. IF, ELSIF, CASE expressions
Procedures and Functions20%- Creating and invoking functions
  • 1. Return values and usage in SQL
  • 2. Differences between procedures and functions
- Creating and invoking procedures
  • 1. Privileges and dependencies
  • 2. Parameter modes IN, OUT, IN OUT
Managing Dependencies and Performance5%- Object dependencies
  • 1. Invalidation and recompilation
  • 2. Privileges and security

Oracle9i program with pl/sql Sample Questions:

1. You have a table with the following definition:
CREATE TABLE long_tab
(id NUMBER);
long_col LONG)
You need to convert the LONG_COL column from a LONG data type to a LOB data type. Which
statement accomplish this task?

A) ALTER TABLE long_tab MODIFY (LONG_COL CLOB);
B) EXECUTE dbms_manage.lob.migrate(long_tab, long_col, clob)
C) EXECUTE utl_manage_lob.migrate(long_tab, long_col, clob)
D) EXECUTE utl_lob.migrate(long_tab, long_col, clob)
E) EXECUTE dbms_lob.migrate(long_tab, long_col, clob)


2. Which two dictionary views track dependencies? (Choose two)

A) DEPTREE_TEMPTAB
B) USER_SOURCE
C) USER_OBJECTS
D) DBA_DEPENDENT_OBJECTS
E) USER_DEPENDENCIES
F) UTL_DEPTREE


3. Examine this package specification:
CREATE OR REPLACE PACKAGE concat_all
IS
v_string VARCHAR2(100);
PROCEDURE combine (p_num_val NUMBER);
PROCEDURE combine (p_date_val DATE);
PROCEDURE combine (p_char_val VARCHAR2, p_num_val NUMBER);
END concat_all; /
Which overloaded COMBINE procedure declaration can be added to this package specification?

A) PROCEDURE combine (p_val_1 VARCHAR2, p_val_2 NUMBER;
B) PROCEDURE combine (p_no NUMBER);
C) PROCEDURE combine;
D) PROCEDURE concat_all
(p_num_val VARCHAR2, p_char_val NUMBER);


4. Examine this code:
CREATE OR REPLACE TRIGGER secure_emp BEFORE LOGON ON employees BEGIN IF (TO_CHAR(SYSDATE, 'DY') IN ('SAT', 'SUN')) OR (TO_CHAR(SYSDATE, 'HH24:MI') NOT BETWEEN '08:00' AND '18:00') THEN RAISE_APPLICATION_ERROR (-20500, 'You may insert into the EMPLOYEES table only during business hours.'); END IF; END; / What type of trigger is it?

A) This is an invalid trigger.
B) Application trigger
C) DML trigger
D) System event trigger
E) INSTEAD OF trigger


5. Examine this code:
CREATE OR REPLACE PROCEDURE set_bonus
(p_cutoff IN VARCHAR2 DEFAULT 'WEEKLY'
p_employee_id IN employees_employee_id%TYPE
p_salary IN employees_salary%TYPE,
p_bonus_percent IN OUT NUMBER DEFAULT 1.5,
p_margin OUT NUMBER DEFAULT 2,
p_bonus_value OUT NUMBER)
IS
BEGIN UPDATE emp_bonus SET bonus_amount =(p_salary * p_bonus_percent)/p_margin WHERE employee_id = p_employee_id; END set_bonus; /
You execute the CREATE PROCEDURE statement above and notice that it fails. What are two reasons why it fails? (Choose two)

A) The format parameter p_bonus_value is declared but is not used anywhere.
B) You cannot update a table using a stored procedure.
C) The declaration of the format parameter p_bonus_percent cannot have a DEFAULT clause.
D) The syntax of the UPDATE statement is incorrect.
E) The formal parameter p_cutoff cannot have a DEFAULT clause.
F) The declaration of the format parameter p_margin cannot have a DEFAULT clause.


Solutions:

Question # 1
Answer: A
Question # 2
Answer: A,E
Question # 3
Answer: C
Question # 4
Answer: A
Question # 5
Answer: C,F

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