1、数据库的建库create database 库例：create database TestOne
2、数倌栗受绽据库的建表create table 系部(系号 nvarchar(2) not null primary key,系名 ch锾攒揉敫ar (20) null)**主键：primary key**做完表结构之后去使用表select * from 系部例：create table student(stuno nvarchar(2) not null primary key,stuname char(20) null,)select * from student
