在MySQL Workbench里面使用SQL语句: delete from 表名 提示出错: Error Code: 1175.You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column. 这是因为设置的是safe update mode,必须跟where. 解决方法有两个: 1. 运行SET SQL_SAFE_UPDATES=0; 2. 打开Edit…

org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1 batch:批量 unexpected:意想不到的 actual:实际 expected:预期 报错原因:使用Hibernate的update进行更新时,对象的主键值为空.…

Mysql update error: 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 reconnect mysql有个叫SQL_SAFE_UPDATES的变…

今天遇到一个mysql错误:   Error Code: . 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 reconnect. 网上查了一下,原来是SET SQL_SAFE_UPDATES设置…

org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1 原因:再给数据库中放入新数据的时候加了id,然而有了id,系统默认为修改方法就回去在库中查找,所以出错. 解决方法:将生成的id去掉.…

转载自:http://blog.csdn.net/dragonpeng2008/article/details/7279590 Error: 1175 SQLSTATE: HY000 (ER_UPDATE_WITHOUT_KEY_IN_SAFE_MODE) Message: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column. Solution:…

使用MySQL执行update的时候报错:   MySQL     在使用mysql执行update的时候,如果不是用主键当where语句,会报如下错误,使用主键用于where语句中正常. 异常内容: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 t…

错误描述 11:14:39 delete from t_analy_yhd 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 Editor and reconnect. 0.000 se…

1 错误描述 19:15:34 call sp_store_insert(90) 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 Editor and reconnect. 0.093…

在one-to-many时遇到此异常,本以为是配置出错.在使用s标签开启debug模式,并在struts2主配置文件中添加异常映射,再次提交表单后得到以下异常详情. org.springframework.orm.hibernate5.HibernateOptimisticLockingFailureException: Batch update returned unexpected row count from update [0]; actual row count: 0; expecte…