LU08.S04 - DELETE

A: Delete of one row

Sarah Johnson has left the company and is therefore to be deleted from the table. Formulate the according DML DELETE statement.

DELETE FROM employees
WHERE name = 'Sarah'
AND surname = 'Johnson';

Alternatively, the commands is likewise possible with using the employee_id.

DELETE FROM employees
WHERE employee_id = 4;

B: Delete of multiple rows

It is common, that we retire when reaching a certain age. Remove all date from individuals who are older than 60 from the employees table.

Hint: Before performing the deletion, make sure that you got the right resultset.

Content of the table before deleting the concerned resultset:

SELECT * FROM employees
WHERE birthdate < '1964-01-01';
DELETE FROM employees
WHERE birthdate < '1964-01-01';

The result is visible in the next image below:

Vocabulary

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Volkan Demir