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: /检查非法字符并检验字符长度 function checkSpeChar(obj, byteLength, title) { var value = document.getElementById(obj).value; value = value.replace(/(^\s*)/g, “”).replace(/(\s*$)/g, “”); var ret = (/[-|;|,|\/|\(|\)|\[|\]|\}|\{|%||\*|!|\’]/.test(value)); var a