Q. Which of the following is a legal expression in SQL? (Solved)
1. SELECT NULL FROM EMPLOYEE;
2. SELECT NAME FROM EMPLOYEE;
3. SELECT NAME FROM EMPLOYEE WHERE SALARY = NULL;
4. none of the above
- b. SELECT NAME FROM EMPLOYEE;
1. SELECT NULL FROM EMPLOYEE;
2. SELECT NAME FROM EMPLOYEE;
3. SELECT NAME FROM EMPLOYEE WHERE SALARY = NULL;
4. none of the above