使用RENAME TABLE 语句或 ALTER TABLE 语句都可以对表进行重命名,基本语法如下: # RENAMETABLE语法: RENAMETABLEtbl_nameTOnew_tbl_name [, tbl_name2TOnew_tbl_name2] ... #ALTERTABLE语法:ALTERTABLEold_table RENAME new_table; # 具体示例: mysql>showtables;+---+|Tables_in_testdb|+---+|tb1||...
RENAME TABLE old_table_name TO new_table_name; 旧表(old_table_name)必须存在,新表(new_table_name)必须不存在。如果新表new_table_name存在,则语句将失败。 除了表之外,我们还可以使用 RENAME TABLE语句重命名视图。 在执行RENAME TABLE语句之前,我们必须确保没有活动事务或锁定表。 注意:不能使用RENAME TAB...
mysql>rename table dept to dept_2; Query OK,0rows affected (0.14sec) mysql>show create table students;+---+---
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使用这些表,否则可能会导致锁定或其他问题。 在MySQL数据库...
mysql rename表字段 sql的rename语句 创建表: Create table 表名 ( s_id number(4) , s_name varchar2(10) , s_sex char(2) ); 1. 删除表: Drop table 表名; 1. 重命名表名: Rename 旧表名 to 新表名 ; 1. 添加列: Alter table 表名 add ( s_age number(3) );...
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....
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` int(11) DEFAULT NULL, CONSTRAINT `t3_chk_1` CHECK ((`i1` > 0)), CONSTRAINT `t3...
mysql> CREATE TABLE t0 (c2 FLOAT8, PRIMARY KEY (c2)); Query OK, 0 rows affected (0.05 sec) mysql> CREATE TABLE t1 (c1 FLOAT8 UNIQUE, FOREIGN KEY (c1) REFERENCES t0(c2) ON UPDATE CASCADE); Query OK, 0 rows affected (0.06 sec) mysql> ALTER TABLE t0 RENAME AS t2, ALGORITHM COPY...
1 row in set (0.02 sec) mysql>RENAME TABLE t1 TO t3;Query OK, 0 rows affected (0.03 sec) mysql>SHOW CREATE TABLE t3\G*** 1. row *** Table: t3 Create Table: CREATE TABLE `t3` ( `i1` int(11) DEFAULT NULL, `i2` int(11) DEFAULT NULL, CONSTRAINT ...
Expected behavior and actual behavior: MySQL supports an atomic rename mechanism. RENAME TABLE old_table TO tmp_table, new_table TO old_table, tmp_table TO new_table; https://dev.mysql.com/doc/refman/8.0/en/rename-table.html This is usef...