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  • SQL Server 查询数据库表结构

    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,
    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 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,''),
    字段说明=isnull(g.[value],'')
    FROM syscolumns a
    left join systypes b on a.xtype=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='要查询的表' --如果只查询指定表,加上此条件
    order by a.id,a.colorder

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  • 原文地址:https://www.cnblogs.com/XuYiHe/p/13869960.html
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