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Oracle9i program with pl/sql Sample Questions:

1. Which two dictionary views track dependencies? (Choose two)

A) USER_DEPENDENCIES
B) USER_OBJECTS
C) UTL_DEPTREE
D) USER_SOURCE
E) DEPTREE_TEMPTAB
F) DBA_DEPENDENT_OBJECTS

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

3. What is a condition predicate in a DML trigger?

A) A conditional predicate allows you to combine several DBM triggering events into one in the trigger body.
B) A conditional predicate means you use the NEW and OLD qualifiers in the trigger body as a condition.
C) A conditional predicate allows you to specify a SHUTDOWN or STARTUP condition in the trigger body.
D) A conditional predicate allows you to specify a WHEN-LOGGING-ON condition in the trigger body.

4. 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(1000);
B) You need to create a SQL *Plus environment variable X and issue the command EXECUTE :X := CALCTAX;
C) You need to create a SQL *Plus environment variable X and issue the command :X := CALCTAX(1000);.
D) You need to execute the command EXECUTE FUNCTION calctax;.
E) You need to execute the command CALCTAX(1000);.

5. Examine this code:
CREATE OR REPLACE PRODECURE add_dept (p_dept_name VARCHAR2 DEFAULT 'placeholder', p_location VARCHAR2 DEFAULT 'Boston')
IS BEGIN INSERT INTO departments VALUES (dept_id_seq.NEXTVAL, p_dept_name, p_location); END add_dept; /
Which three are valid calls to the add_dep procedure? (Choose three)

A) add_dept(p_location=>'New York');
B) add_dept('Accounting');
C) add_dept(, 'New York');
D) add_dept;

Solutions: