SQL 导出数据字典

用于参考：

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,

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,

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='表名'         --如果只查询指定表,加上此条件
order   by   a.id

巴特西

SQL 导出数据字典

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