查看数据表的信息

--用户表
if exists(select * from sysobjects where name = ‘bi_user‘)
    drop table bi_user

create table bi_user
(
    user_id                     int                 not null primary key,        --id,主键
    user_pwd                    varchar(100)        not null,                                --密码MD5值
    user_no                        varchar(20)            not null,                                --用户号，和微信号一样的功能
    user_name                     NVARCHAR(20)        not null,                                --用户名称
    user_tel                     varchar(11)         null,                                        --固话    
    user_mobile                    VARCHAR(11)            not null,                                --电话号码 
    user_wechat                    VARCHAR(100)         null,                                        --用户微信
    user_cardid                    VARCHAR(20)         null,                                        --身份证号
    user_sex                    char(1)                null,                                     --性别：0男，1女，3其他
    user_weight                    DECIMAL(5,1)        not null default 0,            --重量，单位是KG
    user_height                    DECIMAL(5,1)        not null default 0,            --身高，单位是CM
    user_age                    int                    not null,                             --年龄
    birth_date                    DATETIME            not null,                                --用户生日
    user_remarks                NVARCHAR(500)        null,                                        --个人简介
    
    user_status                    VARCHAR(2)            not null,                                        --状态：0正常，1停用，2封号
    user_type                    varchar(4)            not null default ‘E‘,                --用户类型：SS(SS级)，S(S级)，A(A级)，B(B级)，C(C级)，D(D级)，E(E级)
    activity_level                VARCHAR(4)             not null default ‘1‘,                --活跃度级别，1~20，对应1级到20级
    stored_amt                    DECIMAL(24,2)        not null default 3,                    --欢乐豆子，新用户注册有3颗豆子，充值：1元=1豆
)

create index IX_bi_user_user_no_user_mobile on bi_user(user_no asc,user_mobile asc);

--快速查看表结构
SELECT  CASE WHEN col.colorder = 1 THEN obj.name
                  ELSE ‘‘
             END AS 表名,
        col.colorder AS 序号 ,
        col.name AS 列名 ,
        ISNULL(ep.[value], ‘‘) AS 列说明 ,
        t.name AS 数据类型 ,
        col.length AS 长度 ,
        ISNULL(COLUMNPROPERTY(col.id, col.name, ‘Scale‘), 0) AS 小数位数 ,
        CASE WHEN COLUMNPROPERTY(col.id, col.name, ‘IsIdentity‘) = 1 THEN ‘1‘
             ELSE ‘‘
        END AS 标识 ,
        CASE WHEN EXISTS ( SELECT   1
                           FROM     dbo.sysindexes si
                                    INNER JOIN dbo.sysindexkeys sik ON si.id = sik.id
                                                              AND si.indid = sik.indid
                                    INNER JOIN dbo.syscolumns sc ON sc.id = sik.id
                                                              AND sc.colid = sik.colid
                                    INNER JOIN dbo.sysobjects so ON so.name = si.name
                                                              AND so.xtype = ‘PK‘
                           WHERE    sc.id = col.id
                                    AND sc.colid = col.colid ) THEN ‘1‘
             ELSE ‘‘
        END AS 主键 ,
        CASE WHEN col.isnullable = 1 THEN ‘1‘
             ELSE ‘‘
        END AS 允许空 ,
        ISNULL(comm.text, ‘‘) AS 默认值
FROM    dbo.syscolumns col
        LEFT  JOIN dbo.systypes t ON col.xtype = t.xusertype
        inner JOIN dbo.sysobjects obj ON col.id = obj.id
                                         AND obj.xtype = ‘U‘
                                         AND obj.status >= 0
        LEFT  JOIN dbo.syscomments comm ON col.cdefault = comm.id
        LEFT  JOIN sys.extended_properties ep ON col.id = ep.major_id
                                                      AND col.colid = ep.minor_id
                                                      AND ep.name = ‘MS_Description‘
        LEFT  JOIN sys.extended_properties epTwo ON obj.id = epTwo.major_id
                                                         AND epTwo.minor_id = 0
                                                         AND epTwo.name = ‘MS_Description‘
WHERE   obj.name = ‘bi_user‘--表名
ORDER BY col.colorder ;