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Question ID 1542

The EMPLOYEE table contains these columns:
ID NUMBER(9)
LAST_NAME VARCHAR2(25)
FIRST_NAME VARCHAR2(25)
COMMISSION NUMBER(7,2)
You need to display the current commission for all employees. These are the desired results:
1.Display the commission multiplied by 1.5.
2.Exclude employees with a zero commission.
3.Display a zero for employees with a null commission value.
Evaluate this SQL command:

SELECT id, last_name, first_name, commission * 1.5 FROM employee
WHEREcommission <> 0;
What does the statement provide?
 

Option A

A.    one of the desired results

 

Option B

B.    a syntax error
 

Option C

C.    all of the desired results
 

Option D

D.    two of the desired results

Correct Answer D
Explanation


Question ID 1543

You issue this command:
CREATE SYNONYM emp FOR ed.employee;
Which task has been accomplished?
 

Option A

A.    The need to qualify an object name with its schema was eliminated for all users.
 

Option B

B.    The need to qualify an object name with its schema was eliminated for user Ed.
 

Option C

C.    The need to qualify an object name with its schema was eliminated for only you.

 

Option D

D.    The need to qualify an object name with its schema was eliminated for users with access.

Correct Answer C
Explanation

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