当前位置：网站首页>Database transactions

Database transactions

2022-04-23 13:40:00 【Wangcai 2】

Business (transaction) Is a series of operations performed as a single logical unit of work , These operations are submitted to the system as a whole , Or both , Either not .

Transactions have the following four attributes , abbreviation ACID;

Atomicity (Atomicity)： A transaction is a complete operation . The steps of a transaction are inseparable （ Atomic ）, Or both , Either not ;

Uniformity (Consistency)： When the transaction is complete , The data must be in a consistent state ;

Isolation, (Isolation)： All concurrent transactions that modify data must be isolated , This means that the business must be independent , It should not rely on or influence other matters in any way ;

Permanence (Durability)： After the transaction completes , Its changes to the database are persisted , The transaction log can keep the transaction permanent ;

版权声明
本文为[Wangcai 2]所创，转载请带上原文链接，感谢
https://yzsam.com/2022/04/202204230604301786.html

边栏推荐

猜你喜欢

随机推荐