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

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

3. Which two statements about the overloading feature of packages are true? (Choose two)

A) Overloading allows different subprograms with the same name and same number or type of parameters.
B) Overloading allows different subprograms with the same number, type and order of parameters.
C) Overloading allows different functions with the same name that differ only in their return types.
D) Only local or packaged subprograms can be overloaded.
E) Overloading allows different subprograms with the same name, but different in either number, type or order of parameters.

4. Examine this code:
CREATE OR REPLACE FUNCTION gen_email_name
(p_first_name VARCHAR2, p_last_name VARCHAR2, p_id NUMBER)
RETURN VARCHAR2
IS
v_email_name VARCHAR2(19=;
BEGIN
v_email_name := SUBSTR(p_first_name, 1, 1) ||
SUBSTR(p_last_name, 1, 7) ||
'@Oracle.com';
UPDATE employees
SET email = v_email_name
WHERE employee_id = p_id;
RETURN v_email_name;
END;
Which statement removes the function?

A) ALTER FUNCTION gen_email_name REMOVE;
B) TRUNCATE gen_email_name;
C) DELETE gen_email_name;
D) REMOVE gen_email_name;
E) DROP FUNCTION gen_email_name;

5. When creating stored procedures and functions, which construct allows you to transfer values to and from the calling environment?

A) Substitution variables
B) arguments
C) local variables
D) Boolean variables

Solutions: