---表中的主鍵
select [name],'tablekey'= (select top 1 COLUMN_NAME from INFORMATION_SCHEMA.KEY_COLUMN_USAGE where TABLE_NAME = sysobjects.name) from sysobjects where type='U'
--所有表
select * from sysobjects where type='U'
--所有表的主鍵 COLUMN_NAME
select * from INFORMATION_SCHEMA.KEY_COLUMN_USAGE
--数据类型
select * from systypes
--所有列
select * FROM syscolumns
--所有表的數據類型,長度
SELECT d.name TableName,a.name FieldName,b.name TypeName,a.length Length,a.isnullable IS_NULL --INTO #t
FROM syscolumns a, systypes b,sysobjects d
WHERE a.xtype=b.xusertype and a.id=d.id and d.xtype='U'
---所有表的主鍵
SELECT d.name as 'TableName',a.name as 'FieldName',b.name as 'TypeName',a.length as 'Length',a.isnullable as 'IS_NULL' --INTO #t
FROM syscolumns a, systypes b,sysobjects d ,INFORMATION_SCHEMA.KEY_COLUMN_USAGE c
WHERE a.xtype=b.xusertype and a.id=d.id and d.xtype='U' and c.TABLE_NAME = d.name
and c.COLUMN_NAME=a.name
哲学管理(学)人生, 文学艺术生活, 自动(计算机学)物理(学)工作, 生物(学)化学逆境, 历史(学)测绘(学)时间, 经济(学)数学金钱(理财), 心理(学)医学情绪, 诗词美容情感, 美学建筑(学)家园, 解构建构(分析)整合学习, 智商情商(IQ、EQ)运筹(学)成功.---Geovin Du(涂聚文)