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mysql学习笔记事务
MySQL
中的开启和关闭
事务
|
学习笔记
开发者学堂课程【JDBC
数据库
开发进阶:
MySQL
中的开启和关闭
事务
】
学习笔记
,与课程紧密联系,让用户快速学习知识。课程地址:https://developer.aliyun.com/learning/course/32/detail/679
MySQL
中的开启和关闭
事务
内容介绍1.
MySQL
中的操作...
MySQL
中的开启和关闭
事务
|
学习笔记
开发者学堂课程【JDBC
数据库
开发进阶:
MySQL
中的开启和关闭
事务
】
学习笔记
,与课程紧密联系,让用户快速学习知识。课程地址:https://developer.aliyun.com/learning/course/32
MySQL
中的开启和关闭
事务
目录:1.
事务
的四大特性:ACID2....
高性能
MySql学习笔记
——锁、
事务
、隔离级别(转)
隔离性:允许在一个
事务
中的操作语句会与其他
事务
的语句隔离开,比如
事务
A运行到第3行之后,第4行之前,此时
事务
B去查询checking余额时,它仍然能够看到在
事务
A中被减去的200元,因为
事务
A和B是彼此隔离的。在
事务
A提交之前,
事务
B观察不到...
day13_
Mysql事务
与
数据库
连接池
学习笔记
day13_
Mysql事务
与
数据库
连接池
学习笔记
一、
Mysql
的
事务
事务
:
事务
指逻辑上的一组操作,组成这组操作的各个单元,要么全部成功,要么全部不成功(数据回滚)。例如:A给B转帐,对应于如下两条sql语句:update account set money=money-100 ...
MySQL数据库学习笔记
(十)-JDBC
事务
处理、封装JDBC工具类
【正文】首先需要回顾一下上一篇文章中的内容:
MySQL数据库学习笔记
(九)-JDBC的PreparedStatement接口重构增删改查 一、JDBC
事务
处理:我们已经知道,
事务
的概念即:所有的操作要么同时成功,要么同时失败。在
MySQL
中提供了Commit、...
1
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云数据库RDS MySQL版
MySQL 是全球最受欢迎的开源数据库,阿里云MySQL版 通过深度的内核优化和独享实例提供稳定极致的数据库性能,同时灵活的部署架构及产品形态,可满足不同场景下的数据库需求。
了解详情
管理控制台
在线咨询
最新活动
MySQL 1年仅19.9元
数据库专场优惠
快速入门
帮助文档
快速入门
最佳实践
SaaS上云数据库
数据库客户案例合集
产品推荐
云数据库PolarDB
云原生数据仓库MySQL
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云数据库RDS MySQL版
MySQL 是全球最受欢迎的开源数据库,阿里云MySQL版 通过深度的内核优化和独享实例提供稳定极致的数据库性能,同时灵活的部署架构及产品形态,可满足不同场景下的数据库需求。
了解详情
管理控制台
在线咨询
最新活动
MySQL 1年仅19.9元
数据库专场优惠
快速入门
帮助文档
快速入门
最佳实践
SaaS上云数据库
数据库客户案例合集
产品推荐
云数据库PolarDB
云原生数据仓库MySQL