It delete rows in a table.
SQL DELETE Syntax
DELETE FROM table_name WHERE some_column=some_value
MySQL Table – users
+—-+——+
| id | name |
+—-+——+
| 1 | PHP |
| 2 | JS |
| 3 | HTML |
| 4 | PHP |
| 5 | ASP |
+—-+——+
Example
mysql> DELETE FROM users WHERE id = 4;
Query OK, 1 row affected (0.00 sec)
mysql> select * from users ;
+—-+——+
| id | name |
+—-+——+
| 1 | PHP |
| 2 | JS |
| 3 | HTML |
| 5 | ASP |
+—-+——+
4 rows in set (0.00 sec)