常用SQL語句記錄

1.查詢數據庫指定表中的字段是否存在

select count(*) from syscolumns where id=object_id('table_name') and name='column_name';

 2.查詢數據庫指定表是否存在

select * from sysobjects where id=object_id(N'[table_name]') and objectproperty(id,N'ISUserTable') =1;