SQL SERVER 查询列名、表/列是否存在

1、sqlserver获取表的所有列：
select name from syscolumns Where id=object_Id('NIS_HLZK_JCBD');

2、判断表格是否存在：
select 1 from sysobjects where id=object_id('NIS_HLZK_ZKJH_MX_JC') and type = 'U'

3、判断表格的列是否存在：
select 1 from syscolumns where name='JSFS' and id=object_id('NIS_HLZK_ZKJH_MX_JC')

4、获取表或视图的所有字段及数据类型、长度：

select a.name tablename, b.name colName, c.name colType ,c.length colLength
from sysobjects a inner join syscolumns b
on a.id=b.id and a.xtype in ('U','V')
inner join systypes c
on b.xtype=c.xusertype
where a.name='表名'

参照网址：https://blog.csdn.net/99guo/article/details/40142599

5、查询视图的所有列及列类型：

sp_help 'VIEW_HLZK_KSZHCXFX '

Select c.name As ColumnsName , t.name As ColumnsType From sysobjects As o ,
 syscolumns  As c , systypes As t Where o.type in ('u','v')
  And o.id = c.id And c.xtype = t.xtype And o.name = 'VIEW_HLZK_KSZHCXFX'

后台获取采用4中的sql进行查询。

参照网址：https://blog.csdn.net/u012965373/article/details/52791374