mysql> select * from test_main; +----+-------+ | id | value | +----+-------+ |  1 | ONE   | |  2 | TWO   | |  3 | THREE | +----+-------+ 3 rows in set (0.00 sec)   mysql> create table test_main2 select * from test_main; Query OK, 3 rows affected (0.…

今天用命令创建函数, 报错 This function has none of DETERMINISTIC, NO SQL, or READS SQL DATA in its declaration and binary logging is enabled (you *might* want to use the less safe log_bin_trust_function_creators variable) 原因是: 当二进制日志启用后,这个log_bin_trust_function…

如: INSERT INTO user (host, user, authentication_string, select_priv, insert_priv, update_priv) VALUES ('localhost', 'test1', '123456', 'Y', 'Y', 'Y'); 报错:ERROR 1364 (HY000): Field 'ssl_cipher' doesn't have a default value 出现错误的原因是mysql默认配置严格模式,该模式禁止通…

split为自己手动在mysql中创建的函数,在hibernate调用时出错,解决方案如下: jdbc调用可以.不用改hibernate的方言. 正常的为:…

这里是利用MySqlBackup,可以再nuget中下载. 无法解决视图嵌视图报错的问题,只导表跟数据比较合适,如果有视图嵌视图,请参照Mysql备份迁移——Mysqldump(.NET调用Mysqldump.exe方式)——(解决视图嵌视图报错)http://www.cnblogs.com/pbys/p/4142367.html string constring = "server=192.168.0.1;port=3306;user=root; pwd=123456; database=te…

Oracle中建立物化视图报错 今天在建立视图的时候,报了一个错:ORA-01723: zero-length columns are not allowed. 建视图的语句: create materialized view VW_XX refresh force on demand as select '' f_a,b f_b from xx 根据后面的语句创建视图,都是可以的,但是根据查询语句创建物化视图就出现错误了.网上找了一下,原因是:ORA-01723是ORACLE规定因为列的长度最…

MySQL 表与字段编码格式报错 一.数据库,表,字段编码格式都为latin1(iso-8859-1) .当数据保存到数据库后,中文显示乱码. 解决办法: 1.在访问数据库连接串中添加编码格式: <add key="MySqlConnectionString" value="Server=127.0.0.1;Port=3306;Uid=ttt;Pwd=ttt;Database=test_db;innercharacterset=gb2312;charset=gb2312…

在给mysql数据库备份时,报错: mysqldump: Got error: 145: Table '.\shengdaxcom\pre_forum_thread' is marked as crashed and should be repaired when using LOCK TABLES 如上错误的解决方法如下:1.进入数据库对该表进行检测: mysql> check tables pre_forum_thread;+------------------------------+--…

创建类报错: 在idea.exe.vmoptions 或 idea64.exe.vmoptions中加入配置 -Djdk.util.zip.ensureTrailingSlash=false jar包正常无法导入.无法使用等: 点击项目,右键然后 Maven-->Reimport…

egg 连接 mysql 的 docker 容器,报错:Client does not support authentication protocol requested by server; consider upgrading MySQL client 解决办法: mysql 中执行如下语句: mysql> ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'yourPassword'; 附: 'root'@'loc…