方法一: 你也可以:select * from t1 where unix_timestamp(time1) > unix_timestamp('2011-03-03 17:39:05') and unix_timestamp(time1) < unix_timestamp('2011-03-03 17:39:52');就是用unix_timestamp函数,将字符型的时间,转成unix时间戳.个人觉得这样比较更踏实点儿. 方法二: time1 between '2011-03-03 17:3
不说废话,贴代码: CREATE OR REPLACE FUNCTION to_time(sec IN NUMBER) RETURN VARCHAR2 IS /*把秒转成时分秒格式 auth lzpong 201/09/16 */ BEGIN ))), ,); EXCEPTION WHEN OTHERS THEN RETURN '0:00:00'; END to_time; CREATE OR REPLACE FUNCTION isnumeric(str IN VARCHAR2) RETURN
今天启动mysql时出现了如下错误: [root@host1 /]# service mysql start Starting MySQL.. ERROR! The server quit without updating PID file (/var/lib/mysql/host1.pid). 查看错误日志: [root@host1 /]# cat /var/log/mysqld.err | less -- :: [ERROR] MYSQL_BIN_LOG::open_purge_inde