Multiple choice technology architecture

There is a table called Employee having columns are empno, ename , job , deptno,grade and salary. Which of the following is a correct query to change all emp salary with salary<10000 to 1.5 times and grade to ‘Promo’

  1. Update Employee set salary = salary * 1.5 and grade=’Promo’ where salary < 10000;

  2. Update Employee set salary = salary * 1.5, grade=’Promo’ where salary < 10000;

  3. Update table Employee set salary = salary * 1.5, grade=’Promo’ where salary < 10000;

  4. Update table Employee set salary = salary * 1.5 and grade=’Promo’ where salary < 10000;

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

SQL UPDATE syntax requires comma-separated assignments: SET column1 = value1, column2 = value2. Option B uses comma correctly. Option A uses 'and' which is invalid for separating column assignments.