CREATE TABLE LIKE

CREATE TABLE LIKE 语句用于复制已有表的定义,但不复制任何数据。

语法图

CreateTableStmt:

CreateTableStmt

LikeTableWithOrWithoutParen:

LikeTableWithOrWithoutParen

TableName:

TableName

示例

  1. mysql> CREATE TABLE t1 (a INT NOT NULL);
  2. Query OK, 0 rows affected (0.13 sec)
  3. mysql> INSERT INTO t1 VALUES (1),(2),(3),(4),(5);
  4. Query OK, 5 rows affected (0.02 sec)
  5. Records: 5 Duplicates: 0 Warnings: 0
  6. mysql> SELECT * FROM t1;
  7. +---+
  8. | a |
  9. +---+
  10. | 1 |
  11. | 2 |
  12. | 3 |
  13. | 4 |
  14. | 5 |
  15. +---+
  16. 5 rows in set (0.00 sec)
  17. mysql> CREATE TABLE t2 LIKE t1;
  18. Query OK, 0 rows affected (0.10 sec)
  19. mysql> SELECT * FROM t2;
  20. Empty set (0.00 sec)

MySQL 兼容性

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

另请参阅