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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

Question 1

When creating stored procedures and functions, which construct allows you to transfer values to and from the calling environment?

A. Boolean variables
B. local variables
C. Substitution variables
D. arguments

Question 2

Examine this function:
CREATE OR REPLACE FUNCTION CALC_PLAYER_AVG (V_ID in PLAYER_BAT_STAT.PLAYER_ID%TYPE) RETURN NUMBER IS V_AVG NUMBER; BEGIN SELECT HITS / AT_BATS INTO V_AVG FROM PLAYER_BAT_STAT WHERE PLAYER_ID = V_ID; RETURN (V_AVG); END; Which statement will successfully invoke this function in SQL *Plus?

A. EXECUTE CALC_PLAYER_AVG(31);
B. CALC_PLAYER('RUTH');
C. CALC_PLAYER_AVG(31);
D. SELECT CALC_PLAYER_AVG(PLAYER_ID) FROM PLAYER_BAT_STAT;
E. START CALC_PLAYER_AVG(31)

Question 3

Examine this code:
CREATE OR REPLACE PACKAGE comm_package
IS
g_comm NUMBER := 10;
PROCEDURE reset_comm(p_comm IN NUMBER);
END comm_package;
/
User Jones executes the following code at 9:01am: EXECUTE comm_package.g_comm := 15
User Smith executes the following code at 9:05am: EXECUTE comm_paclage.g_comm := 20
Which statement is true?

A. g_comm has a value of 15 at 9:06am for Smith.
B. g_comm has a value of 15 at 9:03 am for both Jones and Smith.
C. g_comm has a value of 15 at 9:06am for Jones.
D. g_comm has a value of 10 at 9:06am for both Jones and Smith.
E. g_comm has a value of 20 at 9:06am for both Jones and Smith.
F. g_comm has a value of 10 at 9:03am for both Jones and Smith

Question 4

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 5

You create a DML trigger. For the timing information, which is valid with a DML trigger?

A. ON STATEMENT EXECUTION
B. ON SHUTDOWN
C. BEFORE
D. DURING
E. INSTEAD

Solutions: