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Editor to share with you the example analysis of database recovery technology, I believe that most people do not know much about it, so share this article for your reference, I hope you will learn a lot after reading this article. Let's learn about it!

Database recovery techniques include: 1. Data dump, that is, the process that DBA periodically copies the entire database to tape or another disk to save. 2. Register the log file, which is used to record the update operation of the transaction to the database. The log file can be used for transaction fault recovery, system fault recovery and backup copy media fault recovery.

The operating environment of this tutorial: windows7 system, mysql8 version, Dell G3 computer.

Overview of database recovery

The database management system must have the function of restoring the database from a certain error state to a known correct state, which is the recovery of the database. The recovery subsystem is an important part of the database management system, and it is quite large, which often accounts for more than 10% of the code of the whole system. Whether the recovery technology used in the database system is effective or not not only plays a decisive role in the reliability of the system, but also has a great impact on the operating efficiency of the system, which is an important index to measure the performance of the system.

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