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

mysql> CREATE TABLE t1 (a INT NOT NULL); Query OK, 0 rows affected (0.13 sec) mysql> INSERT INTO t1 VALUES (1),(2),(3),(4),(5); Query OK, 5 rows affected (0.02 sec) Records: 5 Duplicates: 0 Warnings: 0 mysql> SELECT * FROM t1; +---+ | a | +---+ | 1 | | 2 | | 3 | | 4 | | 5 | +---+ 5 rows in set (0.00 sec) mysql> CREATE TABLE t2 LIKE t1; Query OK, 0 rows affected (0.10 sec) mysql> SELECT * FROM t2; Empty set (0.00 sec)

MySQL 兼容性

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

另请参阅

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