PostgreSQL Update Table: Update the designation of employees for a specific number of employees using LIKE operator in the HR database

7. Write a SQL statement to change the job ID of the employee which ID is 118 to SH_CLERK if the employee belongs to a department which ID is 30 and the existing job ID does not start with SH.

Sample table: employees

Sample Solution:

Code:

UPDATE employees SET JOB_ID= 'SH_CLERK' 
WHERE employee_id=118 
AND department_id=30 
AND NOT JOB_ID LIKE 'SH%';

Output:

See the result. Only the effected rows have been displayed.

postgres=# SELECT * FROM  employees 
WHERE employee_id=118 
AND department_id=30 
AND JOB_ID LIKE 'SH%';

 employee_id | first_name | last_name |  email  | phone_number | hire_date  |  job_id  | salary  | commission_pct | manager_id | department_id
-------------+------------+-----------+---------+--------------+------------+----------+---------+----------------+------------+---------------
         118 | Guy        | Himuro    | GHIMURO | 515.127.4565 | 1987-07-05 | SH_CLERK | 2600.00 |           0.00 |        114 |            30
(1 row)

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