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MySQL Tutorial - Deleting Multiple Rows from a Table

By: FYIcenter.com

(Continued from previous topic...)

How To Delete Multiple Rows from a Table?

You can delete multiple rows from a table in the same way as deleting a single row, except that the WHERE clause will match multiple rows. The tutorial exercise below deletes 3 rows from the fyi_links table:

mysql> SELECT id, url, notes, counts FROM fyi_links 
   WHERE id > 300;
+-----+-------------------+-------+--------+
| id  | url               | notes | counts |
+-----+-------------------+-------+--------+
| 801 | moc.retneciyf.ved | Wrong |   1602 |
| 802 | moc.retneciyf.abd | Wrong |   1604 |
| 803 | moc.retneciyf.aqs | Wrong |   1606 |
| 810 |                   | Wrong |   1620 |
| 700 | moc.retneciyf.www | Wrong |   1400 |
+-----+-------------------+-------+--------+
5 rows in set (0.00 sec)

mysql> DELETE FROM fyi_links WHERE id > 300;
Query OK, 5 rows affected (0.00 sec)

mysql> SELECT id, url, notes, counts FROM fyi_links 
   WHERE id > 300;
Empty set (0.00 sec)

(Continued on next topic...)

1. What Are DML Statements?
2. How To Create a Testing Table?
3. How To Insert a New Row into a Table?
4. How To Specify Default Values in INSERT Statement?
5. How To Omit Columns with Default Values in INSERT Statement?
6. What Happens If Unique Value Constraints Are Violated?
7. How To Insert Multiple Rows with One INSERT Statement?
8. How To Update Values in a Table?
9. How To Update Column Values on Multiple Rows?
10. How To Use Existing Column Values in the SET Clause?
11. Is the Order of Columns in the SET Clause Important?
12. How To Use Values from Other Tables in UPDATE Statements?
13. What Happens If the UPDATE Subquery Returns No Rows?
14. What Happens If the UPDATE Subquery Returns Multiple Rows?
15. How To Delete an Existing Row from a Table?
16. How To Delete Multiple Rows from a Table?
17. How To Delete All Rows in a Table?