示例: DELIMITER $$CREATE FUNCTION test(countnum INT)RETURNS INT DETERMINISTICBEGINDECLARE tempnum INT DEFAULT 0; IF countnum > 2 THEN RETURN ROW_COUNT(); END IF;SET countnum = countnum+1;SELECT test(countnum) INTO tempnum;END $$DELIMITER ; SELECT test(
Mysql update in报错 解决方案: [Err] 1093 - You can't specify target table 'company_info' for update in FROM clause 意思是不能在同一语句中更新select出的同一张表元组的属性值 解决方法:将select出的结果通过中间表再select一遍即可. 错误sql: update company_info set email = 'ttt@163.com' ) 修改后可执行的sql: update c
mysql执行update报错 Err] 1055 - 'information_schema.PROFILING.SEQ' isn't in GROUP BY 今天开发的同事发来如下错误信息,最最简单的一个update操作,竟然报了[Err] 1055 - 'information_schema.PROFILING.SEQ' isn't in GROUP BY.具体sql语句为: [SQL]UPDATE draw_record SET open_price = '6945.98', buy_p
主从报错1205 Slave SQL thread retried transaction 10 time(s) in vain, giving up. Consider raising the value of the slave_transaction_retries variable Last_Errno: 1205Last_Error: Slave SQL thread retried transaction 10 time(s) in vain, giving up. Consider
mysql执行update报错 update library set status=true where 1=1 Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column To disable safe mode, toggle the option in Preferences -> SQL Queries and
laravel 项目表单中有csrf_token,但一直报错419错误,因为项目中使用到Redis缓存,在强制关闭Redis后出现的问题,查询laravel.log文件查找相关问题 安装redis后在设置过期时间时,突然报错:MISCONF Redis is configured to save RDB snapshots, but it is currently not able to persist on disk. Commands that may modify the data set
远程连接mysql root账号报错:2003-can't connect to MYSQL serve 1.远程连接Linux系统,登录数据库:mysql -uroot -p(密码) 2.修改root账号的设置: GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION; 其中‘root’为mysql用户名,‘123456’为root账户密码,修改其他用户修改对应的参数即可. 3.执行
远程连接mysql root账号报错:2003-can't connect to MYSQL serve 1.远程连接Linux系统,登录数据库:mysql -uroot -p(密码) 2.修改root账号的设置: GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION; 其中‘root’为mysql用户名,‘123456’为root账户密码,修改其他用户修改对应的参数即可. 3.执行
MySQL创建函数报ERROR 1418错误,不能创建函数,根据官方提示是说,不能创建函数可能是一个安全设置方面的配置或功能未开启原因,下面我们一起来看. 错误 ERROR 1418 (HY000): 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 le
报错内容如下: 错误连接数据库 [foodmartconn] : org.pentaho.di.core.exception.KettleDatabaseException: Error occured while trying to connect to the database Exception while loading class org.gjt.mm.mysql.Driver org.pentaho.di.core.exception.KettleDatabaseException:
问题与分析 在执行sql文件时发现报错如下: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'USING BTREE.... 该错误导致有一个表创建失败,一时间很诧异.因为我所执行的sql语句是由SQLyog导出来的,怎么会有语法错误呢?因为报错里的中文字符变成了乱码,一开始以