select a.colid as id,b.name as tab_name,a.name as col_name,c.name as type,a.length as all_length,a.prec as length,a.scale,case isnull(a.status,0) when 0 then 'NOT NULL' ELSE 'NULL' END AS isnull
from syscolumns a,sysobjects b,systypes c
where a.id=b.id and a.usertype=c.usertype and b.name = @tablename
sybase 查看表结构语句
最新推荐文章于 2021-07-14 15:59:10 发布
本文详细介绍了如何使用SQL查询语句从syscolumns、sysobjects和systypes表中获取系统表字段的ID、名称、类型、长度、精度、尺度以及是否为空等关键信息。

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