oracl 和db2 常用语法比较: 1、取前N条记录 Oracle:Select * from TableName where rownum <= N; DB2:Select * from TableName fetch first N rows only; 2、取得系统日期 Oracle:Select sysdate from dual; DB2:Select current timestamp from sysibm.sysdummy1; 3、空值转换 Oracle:Select
代码如下: –******************************************************* –* 清空所有表中的数据 * –* 撒哈拉大森林 * –* 2010-6-28 * –******************************************************* if exists (select * from sysobjects where type=’P’ and name=N’P_DeleteAllData’ ) drop pr