資料庫字典 sql

2022-03-05 07:43:47 字數 1509 閱讀 3579

select

表名=case when a.colorder=1 then d.name else '' end,

表說明=case when a.colorder=1 then isnull(f.value,'') else '' end,

字段序號=a.colorder,

欄位名=a.name,

標識=case when columnproperty( a.id,a.name,'isidentity')=1 then '√'else '' end,

主鍵=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,

型別=b.name,

占用位元組數=a.length,

長度=columnproperty(a.id,a.name,'precision'),

小數字數=isnull(columnproperty(a.id,a.name,'scale'),0),

允許空=case when a.isnullable=1 then '√'else '' end,

預設值=isnull(e.text,''),

字段說明=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='要查詢的表' --如果只查詢指定表,加上此條件

order by a.id,a.colorder

匯出SQL資料庫字典

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