rollback之后数据，name为啥还是bob；

Discuss / SQL / rollback之后数据，name为啥还是bob；

Back

Topic source

#1 Created at ... [Delete] [Delete and Lock User]

rollback是个什么机制；

#2 Created at ... [Delete] [Delete and Lock User]

数据库事务是由数据库系统保证的，我们只需要根据业务逻辑使用它就可以

你只需要使用即可，不必去深究数据库底层实现

#3 Created at ... [Delete] [Delete and Lock User]

版本控制机制，类似先创建一个新版本，如果rollback，新版本不要了，如果commit，用新版本取代旧版本

#4 Created at ... [Delete] [Delete and Lock User]

回滚

#5 Created at ... [Delete] [Delete and Lock User]

和git中分支的概念类似呗