摘要:
解决: (1)使用 server mysql start命令启动mysql (2)在mysql中执行show variables like '%time_zone%'; (3)输入select nows(); (4)在终端执行date命令 此时发现终端显示的时间和MySql中显示的时间不一致,这就是 阅读全文
摘要:
1、复杂SQL查询 1.1、单表查询 (1)选择指定的列 [例]查询全体学生的学号和姓名 select Sno as 学号,Sname as 姓名 from student; select Sno as 学号,Sname as 姓名 from student; select Sno,Sname fr 阅读全文
摘要:
一、报错信息前几天网站突然访问不了,并且报了如下错误:ora-27101: shared memory realm does not existora-01034: oracle not available 11gORA-24324: service handle not initialized原因 阅读全文
摘要:
Changing password for user tmn. New password: BAD PASSWORD: The password is shorter than 8 characters Retype new password: passwd: all authentication 阅读全文