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Oracle9i program with pl/sql Sample Questions:

1. Examine the code examples. Which one is correct?

A) CREATE OR REPLACE TRIGGER authorize_action BEFORE EMPLOYEES INSERT CALL log_execution;
B) CREATE OR REPLACE TRIGGER authorize_action BEFORE EMPLOYEES INSERT CALL log_execution;
C) CREATE OR REPLACE TRIGGER authorize_action CALL log_execution BEFORE INSERT ON EMPLOYEES; /
D) CREATE OR REPLACE TRIGGER authorize_action BEFORE INSERT ON EMPLOYEES CALL log_execution; /

2. What part of a database trigger determines the number of times the trigger body executes?

A) Trigger type
B) Trigger body
C) Trigger event
D) Trigger timing

3. The creation of which database objects will cause a DDL trigger to fire? (Choose all that apply)

A) Synonyms
B) Dimensions
C) Cluster
D) Package
E) Index
F) Function
G) Database links

4. Examine this code:
CREATE OR REPLACE PACKAGE comm_package
IS
g_comm NUMBER := 10;
PROCEDURE reset_comm(p_comm IN NUMBER);
END comm_package;
/
User Jones executes the following code at 9:01am: EXECUTE comm_package.g_comm := 15
User Smith executes the following code at 9:05am: EXECUTE comm_paclage.g_comm := 20
Which statement is true?

A) g_comm has a value of 15 at 9:06am for Smith.
B) g_comm has a value of 10 at 9:06am for both Jones and Smith.
C) g_comm has a value of 10 at 9:03am for both Jones and Smith
D) g_comm has a value of 20 at 9:06am for both Jones and Smith.
E) g_comm has a value of 15 at 9:06am for Jones.
F) g_comm has a value of 15 at 9:03 am for both Jones and Smith.

5. Which three are true regarding error propagation? (Choose three)

A) An exception raised inside an exception handler immediately propagates to the enclosing block.
B) An exception raised inside a declaration immediately propagates to the current block.
C) An exception cannot propagate across remote procedure calls.
D) The use of the RAISE; statement in an exception handler reraises the current exception.

Solutions: