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  • 数据库导出结构的sql

    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

    ,
    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,
    类型 = B.name

    ,
    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

    like 'T_YW_DM%' --如果只查询指定表,加上此条件
    Order By
    D.name

    ,A.colorder

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  • 原文地址:https://www.cnblogs.com/fenix/p/10509402.html
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