用SQL語言查詢表和檢視的欄位的註釋資訊
阿新 • • 發佈:2019-02-15
SELECT
(casewhen a.colorder=1then d.name else''end) 表名,
a.colorder 欄位序號,
a.name 欄位名,
(casewhenCOLUMNPROPERTY( a.id,a.name,'IsIdentity')=1then'√'else''end) 標識,
(casewhen (SELECTcount(*)
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') )>0then'√'else''end) 主鍵,
b.name 型別,
a.length 佔用位元組數,
COLUMNPROPERTY(a.id,a.name,'PRECISION') as 長度,
isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小數位數,
(casewhen a.isnullable=1then'√'else''end) 允許空,
isnull(e.text,'') 預設值,
isnull(g.[value],'') AS 欄位說明
FROM syscolumns a leftjoin systypes b
on a.xtype=b.xusertype
innerjoin sysobjects d
on a.id=d.id and d.xtype='U'and d.name<>'dtproperties'
leftjoin syscomments e
on a.cdefault=e.id
leftjoin sysproperties g
on a.id=g.id AND a.colid = g.smallid
orderby a.id,a.colorder
(casewhen a.colorder=1then d.name else''end) 表名,
a.colorder 欄位序號,
a.name 欄位名,
(casewhenCOLUMNPROPERTY( a.id,a.name,'IsIdentity')=1then'√'else''end) 標識,
(casewhen (SELECTcount(*)
FROM sysobjects
WHERE (name in (SELECT name
FROM sysindexes
(indid in (SELECT indid
FROM sysindexkeys
WHERE (id = a.id) AND
(colid in ( SELECT colid
WHERE (id = a.id) AND (name = a.name)
)
)
)
)
)
) AND (xtype
b.name 型別,
a.length 佔用位元組數,
COLUMNPROPERTY(a.id,a.name,'PRECISION') as 長度,
isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小數位數,
(casewhen a.isnullable=1then'√'else''end) 允許空,
isnull(e.text,'') 預設值,
isnull(g.[value],'') AS 欄位說明
FROM syscolumns a leftjoin systypes b
on a.xtype=b.xusertype
innerjoin sysobjects d
on a.id=d.id and d.xtype='U'and d.name<>'dtproperties'
leftjoin syscomments e
on a.cdefault=e.id
leftjoin sysproperties g
on a.id=g.id AND a.colid = g.smallid
orderby a.id,a.colorder