1.查询表的所有字段
select syscolumns.name from syscolumns where id=object_id('写上要查询的表名')
2.查询表的所有字段+表字段对应的类型
select syscolumns.name,systypes.name from syscolumns,systypes where syscolumns.xusertype=systypes.xusertype
and syscolumns.id=object_id('写上要查询的表名')
3.查询表的所有字段+表字段对应的类型+类型的长度
select syscolumns.name,systypes.name,systypes.name+'('+cast(syscolumns.length/2 as varchar(10))+')',
syscolumns.length
from syscolumns,systypes
where syscolumns.xusertype=systypes.xusertype and syscolums.id=object_id('写上要查询的表名')
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作者：simpleshao
来源：CSDN
原文：https://blog.csdn.net/simpleshao/article/details/80609003
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