PostgreSQL Update Table: Change the value of a column with user defined text
1. Write a SQL statement to change the email column of the employees table with 'not available' for all employees.
Sample table: employees
Sample Solution:
Code:
UPDATE employees SET email='not available';
Output:
See the result. Only two rows have been displayed.
postgres=# SELECT * FROM employees LIMIT 2; employee_id | first_name | last_name | email | phone_number | hire_date | job_id | salary | commission_pct | manager_id | department_id -------------+------------+-----------+---------------+--------------+------------+---------+----------+----------------+------------+--------------- 100 | Steven | King | not available | 515.123.4567 | 1987-06-17 | AD_PRES | 24000.00 | 0.00 | 0 | 90 101 | Neena | Kochhar | not available | 515.123.4568 | 1987-06-18 | AD_VP | 17000.00 | 0.00 | 100 | 90
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Next: Write a SQL statement to change the email and commission_pct column of the employees table with 'not available' and 0.10 for all employees.
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