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Oracle9i program with pl/sql Sample Questions:

1. Examine this procedure:
CREATE OR REPLACE PROCEDURE UPD_BAT_STAT (V_ID IN NUMBER DEFAULT 10, V_AB IN NUMBER DEFAULT 4) IS BEGIN UPDATE PLAYER_BAT_STAT SET AT_BATS = AT_BATS + V_AB WHERE PLAYER_ID = V_ID; COMMIT; END;
Which two statements will successfully invoke this procedure in SQL *Plus? (Choose two)

A) EXECUTE UPD_BAT_STAT;
B) EXECUTE UPD_BAT_STAT(31, 'FOUR','TWO');
C) EXECUTE UPD_BAT_STAT(V_AB=>10, V_ID=>31);
D) RUN UPD_BAT_STAT;
E) UPD_BAT_STAT(V_AB=>10, V_ID=>31);

2. Examine the trigger heading:
CREATE OR REPLACE TRIGGER salary_check BEFORE UPDATE OF sal, job ON emp FOR EACH ROW
Under which condition does this trigger fire?

A) When a row is inserted into the EMP table.
B) When any column other than the SAL and JOB columns in a row are updated in the EMP table.
C) When the value of the SAL or JOB column in a row is updated in the EMP table.
D) Only when both values of the SAL and JOB columns in a row are updated together in the EMP table.

3. Examine this code:
CREATE OR REPLACE PROCEDURE audit_action (p_who VARCHAR2) AS BEGIN INSERT INTO audit(schema_user) VALUES(p_who); END audit_action; /
CREATE OR REPLACE TRIGGER watch_it AFTER LOGON ON DATABASE CALL audit_action(ora_login_user) / What does this trigger do?

A) The trigger marks the user as logged on to the database before an audit statement is issued.
B) The trigger invokes the procedure audit_action each time a user logs on to the database and adds the username to the audit table.
C) The trigger invoked the procedure audit_action each time a user logs on to his/her schema and adds the username to the audit table.
D) The trigger records an audit trail when a user makes changes to the database.

4. You need to create a DML trigger. Which five pieces need to be identified? (Choose five)

A) Package name
B) Table
C) System event
D) Package body
E) Trigger name
F) Trigger timing
G) Trigger body
H) DML event

5. You have created a stored procedure DELETE_TEMP_TABLE that uses dynamic SQL to remove a table in your schema. You have granted the EXECUTE privilege to user A on this procedure.
When user A executes the DELETE_TEMP_TABLE procedure, under whose privileges are the operations performed by default?

A) User A's privileges
B) User A cannot execute your procedure that has dynamic SQL.
C) Public privileges
D) Your privileges
E) SYS privileges

Solutions: