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Oracle9i program with pl/sql Sample Questions:

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

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

2. You have a table with the following definition:
CREATE TABLE long_tab
(id NUMBER);
long_col LONG)
You need to convert the LONG_COL column from a LONG data type to a LOB data type. Which
statement accomplish this task?

A) EXECUTE dbms_manage.lob.migrate(long_tab, long_col, clob)
B) EXECUTE dbms_lob.migrate(long_tab, long_col, clob)
C) EXECUTE utl_manage_lob.migrate(long_tab, long_col, clob)
D) EXECUTE utl_lob.migrate(long_tab, long_col, clob)
E) ALTER TABLE long_tab MODIFY (LONG_COL CLOB);

3. You need to create a trigger on the EMP table that monitors every row that is changed and places this information into the AUDIT_TABLE.What type of trigger do you create?

A) FOR EACH ROW statement-level trigger on the EMPtable.
B) Statement-level trigger on the AUDIT_TABLE table.
C) Statement-level trigger on the EMP table.
D) FOR EACH ROW trigger on the EMP table.
E) FOR EACH ROW trigger on the AUDIT_TABLE table.

4. Examine this package:
CREATE OR REPLACE PACKAGE BB_PACK IS V_MAX_TEAM_SALARY NUMBER(12,2); PROCEDURE ADD_PLAYER(V_ID IN NUMBER, V_LAST_NAME VARCHAR2, V_SALARY NUMBER); END BB_PACK; / CREATE OR REPLACE PACKAGE BODY BB_PACK IS V_PLAYER_AVG NUMBER(4,3); PROCEDURE UPD_PLAYER_STAT V_ID IN NUMBER, V_AB IN NUMBER DEFAULT 4, V_HITS IN NUMBER) IS BEGIN UPDATE PLAYER_BAT_STAT SET AT_BATS = AT_BATS + V_AB, HITS = HITS + V_HITS WHERE PLAYER_ID = V_ID; COMMIT; VALIDATE_PLAYER_STAT(V_ID);
END UPD_PLAYER_STAT;
PROCEDURE ADD_PLAYER
(V_ID IN NUMBER, V_LAST_NAME VARCHAR2, V_SALARY NUMBER)
IS
BEGIN
INSERT INTO PLAYER(ID,LAST_NAME,SALARY)
VALUES (V_ID, V_LAST_NAME, V_SALARY);
UPD_PLAYER_STAT(V_ID,0,0);
END ADD_PLAYER;
END BB_PACK
/
Which statement will successfully assign .333 to the V_PLAYER_AVG variable from a procedure
outside the package?

A) V_PLAYER_AVG := .333;
B) BB_PACK.V_PLAYER_AVG := .333;
C) BB_PACK.UPD_PLAYER_STAT.V_PLAYER_AVG := .333;
D) This variable cannot be assigned a value from outside of the package.

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

Solutions: