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Oracle9i program with pl/sql Sample Questions:

1. Consider this scenario
A procedure X references a view Y that is based on a table Z .
Which two statements are true? (Choose two.)

A) Y is an indirect dependent of X
B) Z is an indirect dependent of Y
C) Y is a referenced object
D) Y is a direct dependent of X
E) Y is an indirect dependent of Z
F) Z is a direct dependent of X

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

3. The add_player, upd_player_stat, and upd_pitcher_stat procedures are grouped together in a package. A variable must be shared among only these procedures.
Where should you declare this variable?

A) In each procedure's DECLARE section, using the exact same name in each.
B) In the package specification.
C) In a database trigger.
D) In the package body.

4. Which two statements about the overloading feature of packages are true? (Choose two)

A) Overloading allows different subprograms with the same name, but different in either number, type or order of parameters.
B) Overloading allows different functions with the same name that differ only in their return types.
C) Overloading allows different subprograms with the same number, type and order of parameters.
D) Only local or packaged subprograms can be overloaded.
E) Overloading allows different subprograms with the same name and same number or type of parameters.

5. 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 A is invalidated and recompiles for the second time it is invoked.
B) Procedure A is invalidated and recompiles for the first time it is invoked.
C) Procedure B is invalidated and recompiles when invoked.
D) There is no affect on procedure A and it runs successfully.

Solutions: