【mysql：[Err] 1075 - Incorrect table definition; there can be only one auto column and it must be defined as a key】的更多相关文章

mysql：[Err] 1075 - Incorrect table definition; there can be only one auto column and it must be defined as a key

删除主键时,出错:[Err] 1075 - Incorrect table definition; there can be only one auto column and it must be defined as a key alter table table_name drop primary key; # [Err] 1075 这是因为,建表时,该主键设置的是自增属性:即AUTO_INCREMENT 而自增列只能有1列,且这列必须为key,也就是建表的时候,如果是自增列,必须用prim…

解决,Incorrect table definition; there can be only one auto column and it must be defined as a key

今天在迁移项目时,操作数据库报错: Incorrect table definition; there can be only one auto column and it must be defined as a key 我用的是Navicat Premium,而检测表中其他字段发现,并没有另一个设为自增的字段,很是费解,最后在stackoverflow找到这样的答案: 意思是:设为自增的字段必须是主键,而我用的是客户端,表是批量从SQLServer复制到MySQL的,导致最后MySQL表中主…

ERROR 1075 (42000): Incorrect table definition; there can be only one auto column and it must be defined as a key

约束字段为自动增长,被约束的字段必须同时被key约束 没有设置成primary key 时,会报错. 加上primary key 则设置成功.…

Mysql运行SQL文件 错误Incorrect table definition;there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATE clause

问题描述 想从服务器上DOWN下数据库.操作:先把数据库转存为SQL文件,然后在本地利用navicate运行SQL文件,出现错误信息: Incorrect table definition;there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATE clause 解决思路 参考: http://www.cnblogs.com/joeylee/p/3877578.html 原因:TIME…

msyql同步的时候报错 : 错误代码： 1293 Incorrect table definition;there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATE clause

场景,两个不同服务器上的数据库,进行数据库同步 但是执行之后,提示报错 错误代码: 1293 Incorrect table definition; there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATE clause 原因: 两台服务器的mysql版本不一致. 低版本不支持在一个表里面 有2个TIMESTAMP 类型  的列. 我们使用 SELECT VERSION();  来查…

1293 - Incorrect table definition; there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATE clause

在数据库执行脚本文件时,执行到一半会遇到  这种问题: 出错处:2018-05-14 18:53:38 行号:712454 错误代码: 1293 - Incorrect table definition; there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATE clause 原因: 两台服务器的mysql版本不一致. 低版本不支持在一个表里面 有2个TIMESTAMP 类型  的列…

Incorrect table definition; there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATE clause

错误描述 在DBeaver执行DDL语句时报错:SQL 错误 [1293] [HY000]: Incorrect table definition; there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATE clause DDL语句如下: CREATE TABLE `etl_conf_d` ( `jobName` varchar(128) NOT NULL, `jobNo` int(…

mysql单表多timestamp报错#1293 - Incorrect table definition; there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATE clause

一个表中出现多个timestamp并设置其中一个为current_timestamp的时候经常会遇到#1293 - Incorrect table definition; there can be only oneTIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATEclause 原因是当你给一个timestamp设置为on updatecurrent_timestamp的时候,其他的timestamp字段需要显式设定def…

Mysql --- Incorrect table definition; there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATE clause

我使用的5.5的mysql数据库会报这个错, 换成5.7的就可以了…

MySQL：Error : Tablespace for table '`database`.`temp`' exists. Please DISCARD the tablespace before IMPORT.解决办法

今天在navicat上操作mysql数据库表,突然没有响应了.随后重启,mysql服务也终止了.随后启动服务,检查表,发现一张表卡没了,就重新添加一张表.报了一个错: Error : Tablespace for table '`database`.`temp`' exists. Please DISCARD the tablespace before IMPORT. 可是show  databases看了一下根本就没有这张表啊.网上查了半天都没有找到类似的情况,花了好几个小时. 最后终于找到解…