Use SQL

1. Create a table EMPLOYEE with following schema: (EWRRR E_name, E_address, E_ph_no, Dept_no, Dept_name, Job_id, Salary) 2. Add a new column (Field) HIREDATE to the existing relation. 3. Change the data type of JOB_ID from integer to char. 4. Change the name of column (field) Empare to E_no. 5. Modify the column width of the job field of edup, table. 6. Insert 4 different records in the table EMPLOYEE