create database News

--新闻类别表: CId,类别名：CategoryName
create table T_Category(CId int identity primary key,CategoryName nvarchar(50))

--新闻表:Nid,标题：Title,作者：Author,新闻内容：Content,创建时间：CreatTime,查看次数：Num,类别id:CId
create table T_News(NId int identity primary key,Title nvarchar(100),Author nvarchar(50),Content text,CreatTime datetime,CKNum int,Cid int)

--用户表：Uid,账号：AccountNum,密码：Password,邮箱：Email,个人简介：Grjl,性别：Sex,年龄：Age,角色：Role
create table T_Users(Uid int identity primary key,AccountNum nvarchar(50),Password varchar(50),Email varchar(50),Grjj nvarchar(200),Sex nvarchar(10),Age int,Role int)

--新闻评论表：CommentId,新闻表Id(所属新闻id):Nid,发表时间：FbTime,评论内容：CommentContent,评论作者：CommentAuthor
create table T_Comment(CommentId int identity primary key,Nid int,FbTime datetime,CommentContent nvarchar(500),CommentAuthor nvarchar(50))