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Oracle9i program with pl/sql Sample Questions:

1. 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 = 'TABLE';
D) SELECT * FROM USER_DEPENDENCIES WHERE REFERENCED_NAME = 'PLAYER';

2. What happens during the execute phase with dynamic SQL for INSERT, UPDATE, and DELETE operations?

A) The validity of the SQL statement is established.
B) The area of memory established to process the SQL statement is released.
C) An area of memory is established to process the SQL statement.
D) The rows are selected and ordered.
E) The SQL statement is run and the number of rows processed is returned.

3. Given a function CALCTAX:
CREATE OR REPLACE FUNCTION calctax (sal NUMBER) RETURN NUMBER
IS
BEGIN
RETURN (sal * 0.05);
END;
If you want to run the above function from the SQL *Plus prompt, which statement is true?

A) You need to execute the command EXECUTE FUNCTION calctax;.
B) You need to create a SQL *Plus environment variable X and issue the command EXECUTE :X := CALCTAX(1000);
C) You need to create a SQL *Plus environment variable X and issue the command :X := CALCTAX(1000);.
D) You need to create a SQL *Plus environment variable X and issue the command EXECUTE :X := CALCTAX;
E) You need to execute the command CALCTAX(1000);.

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

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

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

A) DURING
B) ON STATEMENT EXECUTION
C) ON SHUTDOWN
D) BEFORE
E) IN PLACE OF

Solutions: