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Question ID 1607

Evaluate these two SQL commands:
1.SELECT DISTINCT object_type
FROM user_objects; 2.SELECTobject_type FROM all_objects;
How will the results differ?
 

Option A

A.    Statement 1 will display the distinct object types owned by the user; statement 2 will display all the object types the user can access.

 

Option B

B.    Statement 1 will display the distinct object types owned by the user; statement 2 will display all the object types in the database.
 

Option C

C.    Statement 1 will display the distinct object types in the database; statement 2 will display all the object types in the database.
 

Option D

D.    Statement 1 will display the distinct object types that the user can access; statement 2 will display all the object types that the user owns.

Correct Answer A
Explanation


Question ID 1608

Which statement is valid within the executable section of a PL/SQL block?

Option A

A.    PROCEDURE calc_max (n1 NUMBER,n2 NUMBER,p_max OUT NUMBER) IS
BEGIN
IF n1 > n2 THEN
p_max := n1;
ELSE
p_max := n2;
END;
 

Option B

B.    SELECT ename, sal INTO v_ename, v_sal FROM emp
WHERE empno = 101;
 

Option C

C.    WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.PUT_LINE ('No records found');
 

Correct Answer B
Explanation

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