第10章 (续)事务

数据库原理与 SQL Server 2000 第 10 章 ( 续 ) 事务

保证数据完整性—事务 ,[object Object],[object Object],[object Object]

事务的属性 ,[object Object],[object Object]

一个简单的事务例子 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

1. 原子性 ,[object Object]

2. 一致性 ,[object Object]

3. 隔离性 ,[object Object]

4. 永久性 ,[object Object],[object Object]

显式事务 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

隐式事务 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

自动事务 ,[object Object],[object Object],例： update sc set score=score+15

使用事务时的注意事项 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

维护数据一致性—锁 ,[object Object]

锁的类型 ,[object Object],[object Object],[object Object]

锁的粒度 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

死锁 ,[object Object],[object Object],[object Object],[object Object],[object Object]

检索锁信息 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

使用锁时的注意事项 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

处理错误— @@ERROR ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

错误的产生 ,[object Object]

错误的捕获 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

错误的处理 ,[object Object],[object Object],[object Object],[object Object]

错误处理实例 ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],错误处理实例

实训错误的捕获和处理 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

第10章 (续)事务

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