-------在SQLserver 2000中测试
--查询所有用户表所有字段的特征
SELECT D.Name as TableName, A.colorder AS ColOrder, A.name AS Name,
COLUMNPROPERTY(A.ID,A.Name, \'IsIdentity\') AS IsIdentity,
CASE WHEN EXISTS
(SELECT 1
FROM dbo.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 1 ELSE 0 END AS 主键,
B.name AS 类型,
A.length AS [长度],
A.xprec AS [精度],
A.xscale AS [小数],
CASE WHEN A.isnullable = 1 THEN 1 ELSE 0 END AS [可为空],
ISNULL(E.text, \' \') AS [默认值],
ISNULL(G.[value], \' \') AS [说明]
FROM dbo.syscolumns A LEFT OUTER JOIN
dbo.systypes B ON A.xtype = B.xusertype INNER JOIN
dbo.sysobjects D ON A.id = D.id AND D.xtype = \'U\' AND
D.name <> \'dtproperties\' LEFT OUTER JOIN
dbo.syscomments E ON A.cdefault = E.id
LEFT OUTER JOIN dbo.sysproperties G ON A.id = G.id AND A.colid = G.smallid
--WHERE D.Name=\'tablename\' --如果找指定表,把注释去掉
ORDER BY 1, 2
SELECT D.Name as TableName, A.colorder AS ColOrder, A.name AS Name,
COLUMNPROPERTY(A.ID,A.Name, \'IsIdentity\') AS IsIdentity,
CASE WHEN EXISTS
(SELECT 1
FROM dbo.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 1 ELSE 0 END AS 主键,
B.name AS 类型,
A.length AS [长度],
A.xprec AS [精度],
A.xscale AS [小数],
CASE WHEN A.isnullable = 1 THEN 1 ELSE 0 END AS [可为空],
ISNULL(E.text, \' \') AS [默认值],
ISNULL(G.[value], \' \') AS [说明]
FROM dbo.syscolumns A LEFT OUTER JOIN
dbo.systypes B ON A.xtype = B.xusertype INNER JOIN
dbo.sysobjects D ON A.id = D.id AND D.xtype = \'U\' AND
D.name <> \'dtproperties\' LEFT OUTER JOIN
dbo.syscomments E ON A.cdefault = E.id
LEFT OUTER JOIN dbo.sysproperties G ON A.id = G.id AND A.colid = G.smallid
--WHERE D.Name=\'tablename\' --如果找指定表,把注释去掉
ORDER BY 1, 2
------在SQLserver 2005中测试
--查询所有用户表所有字段的特征
SELECT
(case when a.colorder=1 then d.name else \'\' end) as 表名,--如果表名相同就返回空
a.colorder as 字段序号,
a.name as 字段名,
(case when COLUMNPROPERTY( a.id,a.name, \'IsIdentity\' )=1 then \'√\' else \'\' end) as 标识,
(case when (SELECT count(*) FROM sysobjects--查询主键
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) as 主键,--查询主键END
b.name as 类型,
a.length as 占用字节数,
COLUMNPROPERTY(a.id,a.name,\'PRECISION\' ) as 长度,
isnull(COLUMNPROPERTY(a.id,a.name,\'Scale\' ),0) as 小数位数,
(case when a.isnullable=1 then \'√\' else \'\' end) as 允许空,
isnull(e.text,\'\' ) as 默认值,
isnull(g.[value],\'\' ) AS 字段说明
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
--where d.name=\'PE_U_ValliMessage\' --所要查询的表
order by a.id,a.colorder
(case when a.colorder=1 then d.name else \'\' end) as 表名,--如果表名相同就返回空
a.colorder as 字段序号,
a.name as 字段名,
(case when COLUMNPROPERTY( a.id,a.name, \'IsIdentity\' )=1 then \'√\' else \'\' end) as 标识,
(case when (SELECT count(*) FROM sysobjects--查询主键
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) as 主键,--查询主键END
b.name as 类型,
a.length as 占用字节数,
COLUMNPROPERTY(a.id,a.name,\'PRECISION\' ) as 长度,
isnull(COLUMNPROPERTY(a.id,a.name,\'Scale\' ),0) as 小数位数,
(case when a.isnullable=1 then \'√\' else \'\' end) as 允许空,
isnull(e.text,\'\' ) as 默认值,
isnull(g.[value],\'\' ) AS 字段说明
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
--where d.name=\'PE_U_ValliMessage\' --所要查询的表
order by a.id,a.colorder