獲取SQL Server表字段的各種屬性實例代碼_Mssql數據庫教程

-- SQL Server 2000
SELECT a.name AS 字段名, CASE WHEN EXISTS
(SELECT 1
FROM sysobjects
WHERE xtype = 'PK' AND parent_obj = a.id AND name IN
(SELECT name
FROM sysindexes
WHERE indid IN
(SELECT indid
FROM sysindexkeys
WHERE id = a.id AND colid = a.colid)))
THEN '1' ELSE '0' END AS 主鍵, CASE WHEN COLUMNPROPERTY(a.id, a.name,
'IsIdentity') = 1 THEN '1' ELSE '0' END AS 標識, b.name AS 類型,
a.length AS 占用字節數, COLUMNPROPERTY(a.id, a.name, 'PRECISION') AS 長度,
a.xscale AS 小數, a.isnullable AS 可空, ISNULL(e.text, '') AS 默認值, ISNULL(g.[value],
'') AS 字段說明
FROM syscolumns a LEFT OUTER JOIN
systypes b ON a.xusertype = b.xusertype INNER JOIN
sysobjects d ON a.id = d.id AND d.xtype = 'U' AND
d.name <> 'dtsyscomments e ON a.cdefault = e.id LEFT OUTER JOIN
sysproperties g ON a.id = g.id AND a.colid = g.smallid LEFT OUTER JOIN
sysproperties f ON d.id = f.id AND f.smallid = 0
WHERE (d.name = '表名稱')
--2。SQL SERVER 2005
SELECT CASE WHEN EXISTS
(SELECT 1
FROM sysobjects
WHERE xtype = 'PK' AND parent_obj = a.id AND name IN
(SELECT name
FROM sysindexes
WHERE indid IN
(SELECT indid
FROM sysindexkeys
WHERE id = a.id AND colid = a.colid))) THEN '1' ELSE '0' END AS 'key', CASE WHEN COLUMNPROPERTY(a.id, a.name,
'IsIdentity') = 1 THEN '1' ELSE '0' END AS 'identity', a.name AS ColName, c.name AS TypeName, a.length AS 'byte', COLUMNPROPERTY(a.id, a.name,
'PRECISION') AS 'length', a.xscale, a.isnullable, ISNULL(e.text, '') AS 'default', ISNULL(p.value, '') AS 'comment'
FROM sys.syscolumns AS a INNER JOIN
sys.sysobjects AS b ON a.id = b.id INNER JOIN
sys.systypes AS c ON a.xtype = c.xtype LEFT OUTER JOIN
sys.syscomments AS e ON a.cdefault = e.id LEFT OUTER JOIN
sys.extended_properties AS p ON a.id = p.major_id AND a.colid = p.minor_id
WHERE (b.name = 'keyfactory') AND (c.status <> '1')
--b.name = 'Keyfactory','Keyfactory'為你想要查找的數據表。

--2、SQL SERVER 2005
SELECT CASE WHEN EXISTS
(SELECT 1
FROM sysobjects
WHERE xtype = 'PK' AND parent_obj = a.id AND name IN
(SELECT name
FROM sysindexes
WHERE indid IN
(SELECT indid
FROM sysindexkeys
WHERE id = a.id AND colid = a.colid))) THEN '1' ELSE '0' END AS 'key', CASE WHEN COLUMNPROPERTY(a.id, a.name,
'IsIdentity') = 1 THEN '1' ELSE '0' END AS 'identity', a.name AS ColName, c.name AS TypeName, a.length AS 'byte', COLUMNPROPERTY(a.id, a.name,
'PRECISION') AS 'length', a.xscale, a.isnullable, ISNULL(e.text, '') AS 'default', ISNULL(p.value, '') AS 'comment'
FROM sys.syscolumns AS a INNER JOIN
sys.sysobjects AS b ON a.id = b.id INNER JOIN
sys.systypes AS c ON a.xtype = c.xtype LEFT OUTER JOIN
sys.syscomments AS e ON a.cdefault = e.id LEFT OUTER JOIN
sys.extended_properties AS p ON a.id = p.major_id AND a.colid = p.minor_id
WHERE (b.name = 'keyfactory') AND (c.status <> '1')
--b.name = 'Keyfactory','Keyfactory'為你想要查找的數據表。