-------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