Shulou(Shulou.com)06/03 Report--

This article mainly introduces the handout of Mysql database operation transaction and storage engine, hoping to supplement and update some knowledge for you. If you have any other questions you need to know, you can continue to follow my updated article in the industry information.

The concept of transaction

A transaction is a mechanism, an operation sequence, which contains a set of database operation commands, and all the commands as a whole submit or revoke the operation request to the system.

That is, this set of database commands are either executed or not executed, and the transaction is an indivisible working logical unit. When performing concurrent operations on the database system,

Transaction is the smallest control unit, which is suitable for scenarios where users operate database systems at the same time, such as banks and insurance companies.

As well as the securities trading system, through the transaction as a whole to ensure the consistency of data, transaction is to ensure the stationarity and predictability of a group of operations.

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