linux安装了mysql之后初始化密码获取:出现了下面的内容,密码很尴尬,无法用root登录: grep 'temporary password' /var/log/mysqld.log [Note] A temporary password is generated for root@localhost: 4)ZqW0IooQ(a 出错如下: [root@iZuf655czz7lmtn8v15tsjZ mysql]# mysql -uroot -p 4)ZqW0IooQ(a -bash: s
今天在使用mysql数据库查找数据的时候报错,错误信息如下: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'dd' in 'where clause' at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newI
严重: Servlet.service() for servlet jsp threw exceptioncom.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column '??????' in 'field list' at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.Nati
ERROR 1054 (42S22): Unknown column ... in 'on clause' 原因: MySQL5.0 Bug, 要把联合的表用括号包含起来才行: 例: SELECT (c.id, a.id, b.id) FROM A a, B b LEFT JOIN C c ON c.a_id = a.a_id AND c.b_id = b.b_id 这句话执行应该是没有错误的,但是Mysql 5 下执行则会出错. 因为mysql下有这样一个BUG,要把联合的表用括号包含起来才行
在使用mybatis框架做查询的时候,出现了如下错误: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 's.areaname' in 'field list' at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_144] at sun.reflect.NativeConstructo
今天遇见个会诡异的问题 一个web程序本地调试的好好的,结果发布到服务器上程序就报错了,报"unknown column ... in 'on clause'",网上搜了下,说是mysql的一个bug,但是我的情况和网上的还貌似不一样,我的sql语句是 select * from A where id=?id; select * from B where id=?id; select * from C where id=?id; 读的时候要好几个dr.NextRead(); 错误日志也