创建student 表时,系统报错,显示表已存在。 obclient> CREATE TABLE student( id int , name varchar(18), sex char(1), age int, address varchar(200), email varchar(100), date date, PRIMARY KEY (id) ); ERROR 1050 (42S01): Table 'student' already exists 该报错信息对应的错误码信息如下:...
错误代码: 1050 Table 'emp' already exists 1、错误描述 1 queries executed, 0 success, 1 errors, 0 warnings 查询:create table emp( id int(8) primary key not null, ename varchar(20) not null, eage int(3), esex varchar(2) ) 错误代码: 1050 Table 'emp' already exists 执行耗时 : 0 ...
错误代码: 1050 Table 'emp' already exists 1、错误描述 1 queries executed, 0 success, 1 errors, 0 warnings 查询:create table emp( id int(8) primary key not null, ename varchar(20) not null, eage int(3), esex varchar(2) ) 错误代码: 1050 Table 'emp' already exists 执行耗时 : 0 ...
1.4使用alter table 语句修改表的约束关系 二、sql报错 2.1 sql报错:1050 - Table ××× already exists 2.2 sql报错:1452 - Cannot add or update a child row: a foreign key constraint fails 2.3 sql报错:1044 - Access denied for user 'root'@'localhost' to database 'information_schema' 2.4 sql...
创建student表时,系统报错,显示表已存在。 obclient>CREATETABLEstudent(idint,namevarchar(18),sexchar(1),ageint,addressvarchar(200),emailvarchar(100),datedate,PRIMARYKEY(id));ERROR1050(42S01):Table'student'alreadyexists 该报错信息对应的错误码信息如下: ...
创建student表时,系统报错,显示表已存在。 obclient>CREATETABLEstudent(idint,namevarchar(18),sexchar(1),ageint,addressvarchar(200),emailvarchar(100),datedate,PRIMARYKEY(id));ERROR1050(42S01):Table'student'alreadyexists 该报错信息对应的错误码信息如下: ...
创建student表时,系统报错,显示表已存在。 obclient>CREATETABLEstudent(idint,namevarchar(18),sexchar(1),ageint,addressvarchar(200),emailvarchar(100),datedate,PRIMARYKEY(id));ERROR1050(42S01):Table'student'alreadyexists 该报错信息对应的错误码信息如下: ...
创建student表时,系统报错,显示表已存在。 obclient>CREATETABLEstudent(idint,namevarchar(18),sexchar(1),ageint,addressvarchar(200),emailvarchar(100),datedate,PRIMARYKEY(id));ERROR1050(42S01):Table'student'alreadyexists 该报错信息对应的错误码信息如下: ...
创建student表时,系统报错,显示表已存在。 obclient>CREATETABLEstudent(idint,namevarchar(18),sexchar(1),ageint,addressvarchar(200),emailvarchar(100),datedate,PRIMARYKEY(id));ERROR1050(42S01):Table'student'alreadyexists 该报错信息对应的错误码信息如下: ...
创建student表时,系统报错,显示表已存在。 obclient>CREATETABLEstudent(idint,namevarchar(18),sexchar(1),ageint,addressvarchar(200),emailvarchar(100),datedate,PRIMARYKEY(id));ERROR1050(42S01):Table'student'alreadyexists 该报错信息对应的错误码信息如下: ...