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Oracle9i program with pl/sql Sample Questions:

1. There is a CUSTOMER table in a schema that has a public synonym CUSTOMER and you are granted all object privileges on it. You have a procedure PROCESS_CUSTOMER that processes customer information that is in the public synonym CUSTOMER table. You have just created a new table called CUSTOMER within your schema. Which statement is true?

A) If the structure of your CUSTOMER table is the same as the public synonym CUSTOMER table then the procedure PROCESS_CUSTOMER is invalidated and gives compilation errors.
B) Creating the table has no effect and procedure PROCESS_CUSTOMER still accesses data from public synonym CUSTOMER table.
C) If the structure of your CUSTOMER table is the same as the public synonym CUSTOMER table then the procedure PROCESS_CUSTOMER successfully recompiles when invoked and accesses your CUSTOMER table.
D) If the structure of your CUSTOMER table is entirely different from the public synonym CUSTOMER table then the procedure PROCESS_CUSTOMER successfully recompiles and accesses your CUSTOMER table.

2. Examine this package specification:
CREATE OR REPLACE PACKAGE concat_all
IS
v_string VARCHAR2(100);
PROCEDURE combine (p_num_val NUMBER);
PROCEDURE combine (p_date_val DATE);
PROCEDURE combine (p_char_val VARCHAR2, p_num_val NUMBER);
END concat_all; /
Which overloaded COMBINE procedure declaration can be added to this package specification?

A) PROCEDURE combine (p_no NUMBER);
B) PROCEDURE concat_all
(p_num_val VARCHAR2, p_char_val NUMBER);
C) PROCEDURE combine (p_val_1 VARCHAR2, p_val_2 NUMBER;
D) PROCEDURE combine;

3. Which three are true statements about dependent objects? (Choose three)

A) You can view whether an object is valid or invalid in the USER_OBJECTS data dictionary view.
B) Invalid objects cannot be described.
C) All schema objects have a status that is recorded in the data dictionary.
D) The Oracle server automatically records dependencies among objects.
E) An object with status of invalid cannot be a referenced object.
F) You can view whether an object is valid or invalid in the USER_STATUS data dictionary view.

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

5. Examine this procedure:
CREATE OR REPLACE PROCEDURE INSERT_TEAM
(V_ID in NUMBER, V_CITY in VARCHAR2 DEFAULT 'AUSTIN', V_NAME in VARCHAR2)
IS
BEGIN
INSERT INTO TEAM (id, city, name)
VALUES (v_id, v_city, v_name);
COMMIT;
END
Which two statements will successfully invoke this procedure in SQL *Plus? (Choose two)

A) EXECUTE INSERT_TEAM (V_ID := V_NAME := 'LONGHORNS', V_CITY := 'AUSTIN');
B) EXECUTE INSERT_TEAM;
C) EXECUTE INSERT_TEAM(3, 'AUSTIN','LONGHORNS');
D) EXECUTE INSERT_TEAM (3, 'LONGHORNS');
E) EXECUTE INSERT_TEAM(3, V_NAME=>'LONGHORNS', V_CITY=>'AUSTIN');

Solutions: