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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

Question 1

The add_player procedure inserts rows into the PLAYER table. Which command will show this directory dependency?

A. SELECT * FROM USER_DEPENDENCIES WHERE REFERENCED_NAME = 'PLAYER';
B. SELECT * FROM USER DEPENDENCIES WHERE REFERENCED_NAME = 'TABLE';
C. SELECT * FROM USER_DEPENDENCIES WHERE TYPE = 'DIR';
D. SELECT * FROM USER DEPENDENCIES WHERE REFERENCED_NAME = 'ADD_PLAYER';

Question 2

Which statement is valid when removing procedures?

A. Use a drop procedure statement to drop a procedure that is part of a package.
Then recompile the package specification.
B. For faster removal and re-creation, do not use a drop procedure statement.
Instead, recompile the procedure using the alter procedure statement with the REUSE SETTINGS
clause.
C. Use a drop procedure statement to drop a standalone procedure.
D. Use a drop procedure statement to drop a procedure that is part of a package.
Then recompile the package body.

Question 3

Which two statements are true about LOBs? (Choose two.)

A. All LOBs have read and write access
B. NCLOB represents a multi-byte character object
C. The Oracle9i server performs implicit conversions between CLOBs and VARCHAR2 data types
D. BFILES are stored in the database
E. The Oracle9i server performs implicit conversions between BLOBs and NUMBER data types

Question 4

Examine this code:
CREATE OR REPLACE PROCEDURE audit_action (p_who VARCHAR2) AS BEGIN INSERT INTO audit(schema_user) VALUES(p_who); END audit_action; /
CREATE OR REPLACE TRIGGER watch_it AFTER LOGON ON DATABASE CALL audit_action(ora_login_user) / What does this trigger do?

A. The trigger invokes the procedure audit_action each time a user logs on to the database and adds the username to the audit table.
B. The trigger marks the user as logged on to the database before an audit statement is issued.
C. The trigger records an audit trail when a user makes changes to the database.
D. The trigger invoked the procedure audit_action each time a user logs on to his/her schema and adds the username to the audit table.

Question 5

Which two statements about functions are true? (Choose two.)

A. A stored function that is called from a SOL statement can return a value of any PL/SOL variable data type
B. Client-side functions can be used in SOL statements
C. A stored function increases efficiency of queries by performing functions on the server rather than in the application
D. A function must have a return statement in its body to execute successfully
E. From SOL*Plus, a function can be executed by giving the command EXECUTE functionname;

Solutions: