DROP VIEW

DROP VIEW 语句用于从当前所选定的数据库中删除视图对象。视图所引用的基表不受影响。

语法图

DropViewStmt:

DropViewStmt

TableNameList:

TableNameList

TableName:

TableName

示例

  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> CREATE VIEW v1 AS SELECT * FROM t1 WHERE c1 > 2;
  9. Query OK, 0 rows affected (0.11 sec)
  11. mysql> SELECT * FROM t1;
  12. +----+----+
  13. | id | c1 |
  14. +----+----+
  15. |  1 |  1 |
  16. |  2 |  2 |
  17. |  3 |  3 |
  18. |  4 |  4 |
  19. |  5 |  5 |
  20. +----+----+
  21. 5 rows in set (0.00 sec)
  23. mysql> SELECT * FROM v1;
  24. +----+----+
  25. | id | c1 |
  26. +----+----+
  27. |  3 |  3 |
  28. |  4 |  4 |
  29. |  5 |  5 |
  30. +----+----+
  31. 3 rows in set (0.00 sec)
  33. mysql> DROP VIEW v1;
  34. Query OK, 0 rows affected (0.23 sec)
  36. mysql> SELECT * FROM t1;
  37. +----+----+
  38. | id | c1 |
  39. +----+----+
  40. |  1 |  1 |
  41. |  2 |  2 |
  42. |  3 |  3 |
  43. |  4 |  4 |
  44. |  5 |  5 |
  45. +----+----+
  46. 5 rows in set (0.00 sec)

MySQL 兼容性

DROP VIEW 语句与 MySQL 完全兼容。如有任何兼容性差异，请在 GitHub 上提交 issue。

See also