聊天软件数据库设计(1).doc

表结构 数据库表结构设计方案，仅供参考 User用户表（ User(--用户表 " " " " " "字段 "字段类型 "字段描述 "备注 " "U_ID "Int " "主键、自增 " "U_LoginID "Varchar（20 "(登陆账号) " " " "） " " " "U_NickName "Varchar（20 "(昵称) " " " "） " " " "U_PassWord "Varchar（20 "(密码) " " " "） " " " "U_SignaTure "Varchar（150"(个性签名) "Null " " "） " " " "U_Sex "Bit "(性别) "Null " "U_Birthday "Datetime "(生日) "Null " "U_Telephone "Varchar（30 "(电话) "Null " " "） " " " "U_Name "Varchar（30 "(真实姓名) "Null " " "） " " " "U_Email "Varchar（50 "(邮箱) "Null " " "） " " " "U_Intro "Varchar（300"(简介) "Null " " "） " " " "U_HeadPortrait "Varchar（100"(头像) " " " "） " " " "U_ShengXiao "Char（2） "生肖 "Null " "U_Age "Int "年龄 "Null " "U_Constellation "Char(6) "星座 "Null " "U_BloodType "Varchar（10 "血型 "Null " " "） " " " "U_SchoolTag "Varchar（50 "毕业学校 "Null " " "） " " " "U_Vocation "Varchar（30 "(职业) "Null " " "） " " " "U_NationID "Int "(国家ID) "外键 " "U_ProvinceID "Int "（省份ID） "外键 " "U_CityID "Int "（城市ID） "外键 " "U_FriendshipPolicy"Int "好友策略ID "外键 " "ID " " " " "U_UserStateID "Int "(用户状态ID) "外键 " "U_FriendPolicyQues"Varchar(30) "好友策略问题 "Null " "tion " " " " "U_FriendPolicyAnsw"Varchar（30 "好友策略答案 "Null " "er "） " " " "U_FriendPolicyPass"Varchar（30 "好友策略密码 "Null " "word "） " " " ) UserState(--用户状态表 "字段 "字段类型 "字段描述 "备注 " "US_ID "Int "(ID) "主键 " "US _Name "Varchar（10） "(状态名字) " " " " " " " ) Friends(--好友表 "字段 "字段类型 "字段描述 "备注 " "F_ID "Int "主键ID "主键 " "F_FirendID "Int "朋友的ID "外键 " "F_UserID "Int "自己的ID "外键 " "F_Name "Varchar（30） "备注昵称 "Null " "F_FriendTypeID "Int "(好友类型) "外键 " "F_FriendGroupsID"Int "(所属分组ID) "外键 " " " " " " ) User_FriendshipPolicy(--添加好友策略 "字段 "字段类型 "字段描述 "备注 " "U_FP_ID主键 "Int "策略ID "主键 " "U_FriendshipPol"varchar "好友添加方式 " " "icy " " " " ) FriendGroups(--好友分组表 "字段 "字段类型 "字段描述 "备注 " "FG_ID "Int "(分组ID) "主键 " "FG_Name "Varchar "(分组名字) " " "FG_UserID "Int "用户ID "外键 " ) FriendType (--好友类型 "字段 "字段类型 "字段描述 "备注 " "FT_ID "Int "（类型ID） "主键 " "FT_Name "Varchar（20） "(类型名称) " " ) Messages(--聊天记录表 "字段 "字段类型 "字段描述 "备注 " "M_ID "Int "(消息ID) "主键，自增 " "M_PostMessages "Text "(消息内容)