sql

asp实现用多个复选框选中，一次删除多条记录  方法一 For Each items in Request.Form("Checkbox") sql="" conn.execute(sql) next 方法二 就是用split(str,",")分开一条条的删除 needdelete =request("checkbox"···

纯记录，不解释！ 1、ORACLE SELECT * FROM TABLE1 WHERE ROWNUM<=N 2、INFORMIX SELECT FIRST N * FROM TABLE1 where 1=1 3、DB2 SELECT * ROW_NUMBER() OVER(ORDER BY COL1 DESC) AS ROWNUM WHERE ROWNUM<···