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Oracle9i program with pl/sql Sample Questions:

1. Which two programming constructs can be grouped within a package? (Choose two)

A) Cursor
B) Constant
C) Trigger
D) Sequence
E) View

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

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

4. Examine this code:
CREATE OR REPLACE TRIGGER update_emp
AFTER UPDATE ON emp
BEGIN
INSERT INTO audit_table (who, dated)
VALUES (USER, SYSDATE);
END;
You issue an UPDATE command in the EMP table that results in changing 10 rows.
How many rows are inserted into the AUDIT_TABLE?

A) 10
B) None
C) A value equal to the number of rows in the EMP table.
D) 1

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

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

Solutions: