mysql>renametabletb1tonew_tb1; Query OK,0rowsaffected (0.03sec) mysql>altertabletb2 rename new_tb2; Query OK,0rowsaffected (0.04sec) mysql>showtables;+---+|Tables_in_testdb|+---+|new_tb1||new_tb2|+---+2rowsinset(0.00sec) 显然易见,在执行重命名表时,旧表(old_table_name)必须存在,...
The RENAME TABLE statement in MySQL is used to change the name of one or more tables. This operation allows database administrators to reorganize or re-label tables without altering their content. Usage The RENAME TABLE statement is employed when you need to change the name of an existing tabl...
mysql>rename table dept to dept_2; Query OK,0rows affected (0.14sec) mysql>show create table students;+---+---
RENAMETABLEcurrent_db.tbl_nameTOother_db.tbl_name; Using this method to move all tables from one database to a different one in effect renames the database (an operation for which MySQL has no single statement), except that the original database continues to exist, albeit with no tables....
MySQL数据库中的RENAME TABLE语句用于重命名一个或多个表。其基本语法如下:,,“sql,RENAME TABLE old_table_name TO new_table_name;,`,,如果你想重命名多个表,可以这样写:,,`sql,RENAME TABLE old_table1 TO new_table1, old_table2 TO new_table2;,“,,注意,在执行此操作时,需要确保没有其他事务正在...
RENAMETABLEusersTOcustomers; 1. 这将把users表的名称修改为customers。 流程图 下面是RENAME TABLE语句的流程图: 存在不存在Start输入旧表名和新表名表是否存在执行RENAME TABLE语句显示错误信息End 类图 下面是RENAME TABLE语句的类图: RENAME_TABLEString oldTableNameString newTableNamerenameTable()MYSQLexecuteQuery...
2 rows in set (0.00 sec) mysql> rename table tb1 to new_tb1; Query OK, 0 rows affected (0.03 sec) mysql> alter table tb2 rename new_tb2; Query OK, 0 rows affected (0.04 sec) mysql> show tables; +---+ | Tables_in_testdb |...
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci1 row in set (0.02 sec)mysql>RENAMETABLEt1TOt3;Query OK, 0 rows affected (0.03 sec)mysql>SHOWCREATETABLEt3\G***1. row***Table:t3 Create Table:CREATE TABLE `t3` ( `i1` int(11) DEFAULT NULL, `i2`...
RenameTableProcedure+rename_table_if_exists() 总结 在MySQL中,我们可以使用RENAME TABLE语句来重命名表。为了在重命名之前检查表是否存在,我们可以使用存储过程来实现。通过检查表是否存在,我们可以避免在重命名过程中出现错误。以上是一个示例存储过程,其中演示了如何在重命名表之前检查表是否存在。希望本文对你了解MyS...
No need to remember syntax and type required data and generate mysql query online easy! Enter required infomation below! ALTER TABLERENAME; MYSQL Query Output Copyright © 2021 Knowledge walls, All rights reserved