事务时
Spring:Spring事务的4种特性、5种隔离级别、7种传播特性
Spring:Spring事务的4种特性、5种隔离级别、7种传播特性此⽂章只作笔记记录,不作为讲解⽂章1. 事务的特性(4种)原⼦性(atomicity):强调事务的不可分割.⼀致性(consistency): 事务的执⾏的前后数据的完整性保持⼀致.隔离性(isolation): 事务执⾏的过程中, 不受其他事务的⼲扰, 即并发执⾏的事物之间互不⼲扰持久性(durability) : 事务⼀旦结束...
专升本阅读例题分析1
passage 2 When we meet another person for the first time, we are actually flooded with new information. Almost at once, we notice his appearance, style of dress, and manner ignore the wa...