下面这个语句在MYSQL中不能创建库和表是怎么回事啊?谁能帮我解决下啊?
create database scan; use scan; CREATE TABLE task (arg1 nvarchar(600), arg2 nvarchar(30), pack nvarchar(255), type int(1), primary key (arg2,pack)); create index task_arg1_index on task(arg1); create index task_arg2_index on task(arg2); create index task_pack_index on task(pack); CREATE TABLE global (host nvarchar(100), primary key (host)); CREATE TABLE hosts (host nvarchar(100), primary key (host));
最满意答案
create table cjb_test ( id varchar(12) primary key, xh number(13) not null unique, chinese int not null, english int not null, math int not null); 是否为空应放在类型 及 默认值 后面passone119希望help you。reference51cto,365testing更多推荐
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