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Oracle9i program with pl/sql Sample Questions:

1. Examine this procedure:
CREATE OR REPLACE PROCEDURE DELETE_PLAYER (V_ID IN NUMBER) IS BEGIN
DELETE FROM PLAYER
WHERE ID = V_ID;
EXCEPTION
WHEN STATS_EXITS_EXCEPTION
THEN DBMS_OUTPUT.PUT_LINE
('Cannot delete this player, child records exist in PLAYER_BAT_STAT table');
END;
What prevents this procedure from being created successfully?

A) The STATS_EXIST_EXCEPTION has not been declared as an exception.
B) Only predefined exceptions are allowed in the EXCEPTION section.
C) The STATS_EXIST_EXCEPTION has not been declared as a number.
D) A comma has been left after the STATS_EXIST_EXCEPTION exception.

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

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

3. You need to remove the database triggerBUSINESS_HOUR.Which command do you use to remove the trigger in the SQL *Plus environment?

A) DELETE FROM USER_TRIGGERS
WHERE TRIGGER_NAME = 'BUSINESS_HOUR';
B) ALTER TRIGGER business_hour REMOVE;
C) DELETE TRIGGER business_hour;
D) DROP TRIGGER business_hour;
E) REMOVE TRIGGER business_hour;

4. Which three are true statements about dependent objects? (Choose three)

A) Invalid objects cannot be described.
B) The Oracle server automatically records dependencies among objects.
C) You can view whether an object is valid or invalid in the USER_OBJECTS data dictionary view.
D) All schema objects have a status that is recorded in the data dictionary.
E) An object with status of invalid cannot be a referenced object.
F) You can view whether an object is valid or invalid in the USER_STATUS data dictionary view.

5. 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.

Solutions: