WHERE emp_id != 6 OR emp_id IS  NULL;
A. Only those names whose emp_id is not equal to 6 or emp_id with NULL values
B. Only those names whose emp_id is not equal to 6
C. Both a. and b.
D. None of these
Answer:A
WHERE emp_id != 6 OR emp_id IS  NULL;
A. Only those names whose emp_id is not equal to 6 or emp_id with NULL values B. Only those names whose emp_id is not equal to 6 C. Both a. and b. D. None of these