摘要：1.ping命令：这个命令大家再熟悉不过了，windows下经常会遇到的。但在solaris下的用法有些不同，如下所示：[root@sol01 /]#ping 192.168.1.156192.168.1.156 is alivewindows下：C:\Documents and Settings\jacky.lee>ping 192.168.1.156Pinging 192.168.1.156 with 32 bytes of data:Reply from 192.168.1.156: bytes=32 timePing statistics for 192.168.1.156: P 阅读全文

摘要：常用oracle函数1、日期转秒1 CREATE OR REPLACE FUNCTION "DATE_TO_NUM" (2 xin in date3 )4 return number5 as6 begin7 return (xin - to_date('1970-01-01 08:00:00','yyyy-mm-dd hh24:mi:ss')) * 24 * 60 * 60;8 end;eg. SELECT date_to_num(sysdate) FROM dual ;2、秒转日期1 CREATE OR REPLACE FUNCTION & 阅读全文