DELETE

The DELETE statement removes rows from a specified table.

Synopsis

DeleteFromStmt

DELETE - 图1

  1. DeleteFromStmt ::=
  2.     'DELETE' TableOptimizerHints PriorityOpt QuickOptional IgnoreOptional ( 'FROM' ( TableName TableAsNameOpt IndexHintListOpt WhereClauseOptional OrderByOptional LimitClause | TableAliasRefList 'USING' TableRefs WhereClauseOptional ) | TableAliasRefList 'FROM' TableRefs WhereClauseOptional )

Examples

  1. mysql> CREATE TABLE t1 (id INT NOT NULL PRIMARY KEY AUTO_INCREMENT, c1 INT NOT NULL);
  2. Query OK, 0 rows affected (0.11 sec)
  4. mysql> INSERT INTO t1 (c1) VALUES (1),(2),(3),(4),(5);
  5. Query OK, 5 rows affected (0.03 sec)
  6. Records: 5  Duplicates: 0  Warnings: 0
  8. mysql> SELECT * FROM t1;
  9. +----+----+
  10. | id | c1 |
  11. +----+----+
  12. |  1 |  1 |
  13. |  2 |  2 |
  14. |  3 |  3 |
  15. |  4 |  4 |
  16. |  5 |  5 |
  17. +----+----+
  18. 5 rows in set (0.00 sec)
  20. mysql> DELETE FROM t1 WHERE id = 4;
  21. Query OK, 1 row affected (0.02 sec)
  23. mysql> SELECT * FROM t1;
  24. +----+----+
  25. | id | c1 |
  26. +----+----+
  27. |  1 |  1 |
  28. |  2 |  2 |
  29. |  3 |  3 |
  30. |  5 |  5 |
  31. +----+----+
  32. 4 rows in set (0.00 sec)

MySQL compatibility

The DELETE statement in TiDB is fully compatible with MySQL. If you find any compatibility differences, report a bug.

See also