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Oracle9i program with pl/sql Sample Questions:

1. The OLD and NEW qualifiers can be used in which type of trigger?

A) Statement level system trigger
B) Row level system trigger
C) Row level application trigger
D) Statement level DML trigger
E) Row level DML trigger
F) Statement level application trigger

2. Which three are valid ways to minimize dependency failure? (Choose three)

A) Specifying schema names when referencing objects.
B) Declaring variables with the %TYPE attribute.
C) Specifying package.procedure notation while executing procedures.
D) Querying with the SELECT * notification.
E) Declaring records by using the %ROWTYPE attribute.

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

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

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

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

Solutions: