Incorrect Table Definition There Can Be Only One Auto Column And It Must Be Defined As A Key

Let us first create a table.

Incorrect table definition there can be only one auto column and it must be defined as a key. There can be only one auto column sql create table tablename12 tab id int not null auto increment. 以下のようなエラーで怒られました キー設定がされていないとダメなんですね error 1075 42000. Error 1075 42000. オートインクリメントの属性のカラムを変更して はずす alter table users change column id id int 10 unsigned not null.

There can be only one auto column and it must be defined as a key. To solve the above error you need to add primary key with auto increment. There can be only one auto column and it must be defined as a key there is in fact only on auto increment column and it is defined as a primary key so i dont get why its giving me this error. Alter table users drop primary key.

What is wrong with this sql. There can be only one auto column and it must be defined as a key翻译 不正确的表定义 只能有一个自增列和它必须被定义为一个键那么我们建表的时候将自增列要设置成主键咯 多个主键的时候 我们应该将自增列放在收位 如 primary key auto col. There can be only one auto column and it must be defined as a key なので 結構めんどうな手順を踏みます それが以下の手順. Incorrect table definition there can be only one auto column and it must be defined as key.

1075 incorrect table definition. There can be only one auto column and it must be defined as a key. Mysql create table student studentid int not null auto increment studentname varchar 40 studentage int. Alter table test users change user id user id int 4 auto increment.