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  • 【Sql】获取数据库字段信息

    SELECT
    (case when a.colorder=1 then d.name else '' end) N'表名',
    a.colorder N'字段序号',
    a.name N'字段名',
    (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then ''else '' end) N'标识',
    (case when (SELECT count(*)
    FROM sysobjects
    WHERE (name in
    (SELECT name
    FROM sysindexes
    WHERE (id = a.id) AND (indid in
    (SELECT indid
    FROM sysindexkeys
    WHERE (id = a.id) AND (colid in
    (SELECT colid
    FROM syscolumns
    WHERE (id = a.id) AND (name = a.name))))))) AND
    (xtype = 'PK'))>0 then '' else '' end) N'主键',
    b.name N'类型',
    a.length N'占用字节数',
    COLUMNPROPERTY(a.id,a.name,'PRECISION') as N'长度',
    isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as N'小数位数',
    (case when a.isnullable=1 then ''else '' end) N'允许空',
    isnull(e.text,'') N'默认值',
    isnull(g.[value],'') AS N'字段说明'
    --into ##tx
    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
    order by object_name(a.id),a.colorder
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  • 原文地址:https://www.cnblogs.com/xuxml/p/12853074.html
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