错误1: 异常:Truncated incorrect DOUBLE value: 'lili' 问题分析:我的修改sql语句是:update video set vname='汉字' and vdirct='xxx' and vprice='23' where vid=3 所以SQl报错:Truncated incorrect DOUBLE value: 'lili' 错误2: update sort set num = " + num + " , zt = '1' "
Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock'解决?: >>> vim /etc/my.cnf >>> [client] default-character-set=utf8 socket=/storage/db/mysql/mysql.sock [mysql] default-character-set=utf8 socket=/storage/db/mysq
MySQL修改表的语法=========================增加列[add 列名]=========================①alter table 表名 add 列名 列类型 列参数[加的列在表的最后面] 例:alter table test add username char(20) not null default ''; alter table test add birth date not null default '0000-00-00'; ②alter tabl
查看编码: show variables like 'collation_%'; show variables like 'character_set_%'; 修改: MySQL:修改默认字符集,转换字符集(MySQL 5.X) 1. 修改 MySQL 数据库默认字符集(mysql database default character set) alter database testdb default character set = gb2312; -ww