sqlserver建表及注释

这个我本地也有备份

--**********************************************创建表********************************************************************************************************************
create table sys_user(
    id          int              identity(1,1)  primary key not null,     --id主键 自增长
    loginName   nvarchar(50)     NOT NULL UNIQUE,                         --登录用户名
    password    nvarchar(50)     NOT NULL ,                               --登录密码
    email       varchar(255)     NOT NULL UNIQUE,                         --用户邮箱
    createTime  datetime default CONVERT(varchar(100), GETDATE(), 20),    --用户创建时间
    code        varchar(255) ,                                            --\'激活码\'
    state       int              NOT NULL default 0 ,                     --用户激活状态：0表示未激活，1表示激活
    nstatusid   int default 1                                             --用户状态 0无效 1有效
);


--**********************************************给表和列添加注释***********************************************************************************************************
-- 添加表注释  execute sp_addextendedproperty    \'MS_Description\',\'注释内容\',  \'user\',\'dbo\',\'table\',\'表名称\',null,null;
-- 修改表注释  execute sp_updateextendedproperty \'MS_Description\',\'注释内容1\', \'user\',\'dbo\',\'table\',\'表名称\',null,null;
-- 删除表注释  execute sp_dropextendedproperty   \'MS_Description\',             \'user\',\'dbo\',\'table\',\'表名称\',null,null;

--字段添加注释 execute sp_addextendedproperty    \'MS_Description\',\'注释内容\',  \'user\',\'dbo\',\'table\',\'表名\',\'column\',\'字段名\';
--修改字段注释 execute sp_updateextendedproperty \'MS_Description\',\'注释内容1\', \'user\',\'dbo\',\'table\',\'表名\',\'column\',\'字段名\';
--删除字段注释 execute sp_dropextendedproperty   \'MS_Description\',             \'user\',\'dbo\',\'table\',\'表名\',\'column\',\'字段名\';
--<!--下面的写法和上面的注释的是一个意思-->
 EXEC sp_addextendedproperty N\'MS_Description\', N\'用户登录表\'   , N\'SCHEMA\', N\'dbo\',N\'TABLE\', N\'sys_user\';
 EXEC sp_addextendedproperty N\'MS_Description\', N\'id主键 自增长\', N\'SCHEMA\', N\'dbo\',N\'TABLE\', N\'sys_user\', N\'COLUMN\', N\'id\';
 EXEC sp_addextendedproperty N\'MS_Description\', N\'登录用户名\'   , N\'SCHEMA\', N\'dbo\',N\'TABLE\', N\'sys_user\', N\'COLUMN\', N\'loginName\';
 EXEC sp_addextendedproperty N\'MS_Description\', N\'登录密码\'     , N\'SCHEMA\', N\'dbo\',N\'TABLE\', N\'sys_user\', N\'COLUMN\', N\'password\';
 EXEC sp_addextendedproperty N\'MS_Description\', N\'用户邮箱\'     , N\'SCHEMA\', N\'dbo\',N\'TABLE\', N\'sys_user\', N\'COLUMN\', N\'email\';
 EXEC sp_addextendedproperty N\'MS_Description\', N\'用户创建时间\' , N\'SCHEMA\', N\'dbo\',N\'TABLE\', N\'sys_user\', N\'COLUMN\', N\'createTime\';
 EXEC sp_addextendedproperty N\'MS_Description\', N\'激活码\'       , N\'SCHEMA\', N\'dbo\',N\'TABLE\', N\'sys_user\', N\'COLUMN\', N\'code\';
 EXEC sp_addextendedproperty N\'MS_Description\', N\'用户激活状态：0表示未激活，1表示激活\', N\'SCHEMA\', N\'dbo\',N\'TABLE\', N\'sys_user\', N\'COLUMN\', N\'state\';
 EXEC sp_addextendedproperty N\'MS_Description\', N\'用户状态 0无效 1有效\', N\'SCHEMA\', N\'dbo\',N\'TABLE\', N\'sys_user\', N\'COLUMN\', N\'nstatusid\';

 


--**********************************************查看表简单信息*************************************************************************************************************
  SELECT
A.name AS 表名,
B.name AS 表字段,
C.value AS 字段注释
FROM sys.tables A
INNER JOIN sys.columns B ON B.object_id = A.object_id
LEFT JOIN sys.extended_properties C ON C.major_id = B.object_id AND C.minor_id = B.column_id
WHERE A.name = \'sys_user\';--表名称
--**********************************************查看表详细信息**************************************************************************************************************
--USE 库名;
SELECT
     表名       = Case When A.colorder=1 Then D.name Else \'\' End,
     表说明     = Case When A.colorder=1 Then isnull(F.value,\'\') Else \'\' End,
     字段序号   = A.colorder,
     字段名     = A.name,
     类型       = B.name,
     字段说明   = isnull(G.[value],\'\'),
     标识       = Case When COLUMNPROPERTY( A.id,A.name,\'IsIdentity\')=1 Then \'√\'Else \'\' End,
     主键       = Case When exists(SELECT 1 FROM sysobjects Where xtype=\'PK\' and parent_obj=A.id and name in (SELECT name FROM sysindexes WHERE indid in( SELECT indid FROM sysindexkeys WHERE id = A.id AND colid=A.colid))) then \'√\' else \'\' end,
     占用字节数 = A.Length,
     长度       = COLUMNPROPERTY(A.id,A.name,\'PRECISION\'),
     小数位数   = isnull(COLUMNPROPERTY(A.id,A.name,\'Scale\'),0),
     允许空     = Case When A.isnullable=1 Then \'√\'Else \'\' End,
     默认值     = isnull(E.Text,\'\')
 FROM
     syscolumns A  Left Join systypes B                    On A.xusertype=B.xusertype
                  Inner Join sysobjects D                On A.id=D.id  and D.xtype=\'U\' and  D.name<>\'dtproperties\'
                   Left Join syscomments E                On A.cdefault=E.id
                   Left Join sys.extended_properties  G On A.id=G.major_id and A.colid=G.minor_id
                   Left Join sys.extended_properties F  On D.id=F.major_id and F.minor_id=0
 where d.name=\'sys_user\'    --如果只查询指定表,加上此条件
 Order By
     A.id,A.colorder;