SQL 查看数据库的列数

查询表名为History的所有列名

 

1	select name from syscolumns where id=object_id('History')

查询表名为History的所有列名个数

 

1	select count(name) from syscolumns where id=object_id('History')

或者

 

1 2 3

select count(syscolumns.name) from   syscolumns ,sysobjects    where  syscolumns.id=sysobjects.id  and sysobjects.name = 'History'