今天碰到一个mysql设置时区时报错的问题具体如下: 进入mysql下,使用SET GLOBAL time_zone = 'Asia/Shanghai';命令设置时区,但是却报错ERROR 1298 (HY000): Unknown or incorrect time zone: 'Asia/Shanghai'。经过搜索发现mysql默认的时区格式并不支持这种,而是写成 set time_zone='+8:00';这种格式,那么如果想...【阅读全文】
8.11.3.1 Using Symbolic LinksYou can move databases or tables from the database directory to other locations and replace them with symbolic links to the new locations. You might want to do this, for example, to move a database to a file syste...【阅读全文】
select * from vehicle_new a, (select PlateColor_ from vehicle_new where ID_=600004024 or ID_=600003898)t where instr(a.PlateColor_,t.PlateColor_)>0;【阅读全文】
INSERT INTO doctor VALUES ("id","name1","password1");如何只添加某项信息也可只添加其中某项INSERT INTO doctor (name,password) VALUES ("name2","password2"); id为自增可以不用添加。其他信息必须为空。【阅读全文】