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  • Linq学习(二)-本次学习用到的资料

    本次学习用到的数据库初始化脚本如下

    use KMS
    create table Blog_User
    (    
        UserId int primary key identity(1,1),
        NickName nvarchar(10),
        CreateTime datetime
    )
    create table Blog_LeaveMsg
    (
        ID int primary key identity(1,1),
        ReceiverId int,
        foreign key(ReceiverId) references Blog_User(UserId),
        LeaverId int,
        foreign key(LeaverId) references Blog_User(UserId),
        CreateTime datetime,
        [Content] nvarchar(255)
    )
    create table Blog_UserInfo
    (
        ID int,
        foreign key(ID) references Blog_User(UserId),
        Introduce nvarchar(255),
        RealName nvarchar(10)
    )
    insert into Blog_User values('Kimisme','2016-1-11')
    insert into Blog_User values('FriendLee','2016-1-12')
    insert into Blog_User values('FriendZhao','2016-1-13')
    insert into Blog_UserInfo values(1,'大家好,我叫金某','金某')
    insert into Blog_UserInfo values(2,'大家好,我叫李某','李某')
    insert into Blog_UserInfo values(3,'大家好,我叫赵某','赵某')
    insert into Blog_LeaveMsg values(1,1,'2016-1-20','我在看书,你在干嘛')
    insert into Blog_LeaveMsg values(1,2,'2016-1-20','我在运动')
    insert into Blog_LeaveMsg values(1,3,'2016-1-21','我在玩游戏')
    insert into Blog_LeaveMsg values(1,2,'2016-1-23','羽毛球打的手好酸')
    insert into Blog_LeaveMsg values(1,3,'2016-1-22','LOL五黑中')
    insert into Blog_LeaveMsg values(1,2,'2016-1-25','每天散散步真不错')
    insert into Blog_LeaveMsg values(1,3,'2016-1-24','我剑灵游戏又满级了')
    insert into Blog_LeaveMsg values(1,2,'2016-1-25','要不要来打网球')

    各表关系如下

    image

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  • 原文地址:https://www.cnblogs.com/kimisme/p/5172338.html
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