Oracle9i program with pl/sql : 1Z0-147

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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. 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 9:03 am for both Jones and Smith.
B) g_comm has a value of 10 at 9:06am for both Jones and Smith.
C) g_comm has a value of 15 at 9:06am for Jones.
D) g_comm has a value of 15 at 9:06am for Smith.
E) g_comm has a value of 10 at 9:03am for both Jones and Smith
F) g_comm has a value of 20 at 9:06am for both Jones and Smith.

2. You want to create a PL/SQL block of code that calculates discounts on customer orders. -This code will be invoked from several places, but only within the program unit ORDERTOTAL. What is the most appropriate location to store the code that calculates the discounts?

A) A local subprogram defined within the program unit ORDERTOTAL.
B) A standalone procedure on the client machine.
C) A block of code in the body of the program unit ORDERTOTAL.
D) A block of code in a PL/SQL library.
E) A stored procedure on the server.

3. Which two statements about packages are true? (Choose two)

A) The specification and body of the package are stored together in the database.
B) The package specification is optional, but the package body is required.
C) The package specification is required, but the package body is optional.
D) Both the specification and body are required components of a package.
E) The specification and body of the package are stored separately in the database.

4. Procedure PROCESS_EMP references the table EMP.
Procedure UPDATE_EMP updates rows if table EMP through procedure PROCESS_EMP.
There is a remote procedure QUERY_EMP that queries the EMP table through the local
procedure PROCESS_EMP.
The dependency mode is set to TIMESTAMP in this session.
Which two statements are true? (Choose two)

A) If internal logic of procedure PROCESS_EMP is modified and successfully recompiles, QUERY_EMP gets invalidated and will recompile when invoked for the first time.
B) If the signature of procedure PROCESS_EMP is modified and successfully recompiles, the EMP table is invalidated.
C) If the signature of procedure PROCESS_EMP is modified and successfully recompiles, UPDATE_EMP gets invalidated and will recompile when invoked for the first time.
D) If internal logic of procedure PROCESS_EMP is modified and successfully recompiles, QUERY_EMP gets invalidated and will recompile when invoked for the second time.
E) If internal logic of procedure PROCESS_EMP is modified and successfully recompiles, UPDATE_EMP gets invalidated and will recompile when invoked for the first time.

5. You disabled all triggers on the EMPLOYEES table to perform a data load. Now, you need to enable all triggers on the EMPLOYEES table. Which command accomplished this?

A) You cannot enable multiple triggers on a table in one command.
B) ALTER TRIGGERS ON TABLE employees ENABLE;
C) ALTER TABLE employees ENABLE ALL TRIGGERS;
D) ALTER employees ENABLE ALL TRIGGERS;

Solutions: