mysql optimization guide

This article transferred from: HTTPS://WWW.TUICOOL.COM/WX/2EMBFMQObjectiveTalking about MySQL query optimization, I believe you have a collection of artifice: You cannot use SELECT *, do not use null fields, reasonably create an index, select the

Today, database operations are increasingly becoming a performance bottleneck for the entire application, which is especially noticeable for web applications. It's not just about the performance of the database that DBAs need to worry about, it's

When publishing a query for a selected row, MySQL analyzes it to see if it can be optimized to make it faster. This article will study how the query optimization program works. For more information, see "GettingMaximumPerformancefromMySQL" in MySQL

Database design principles standardized and normalized database design paradigm (3NF) First paradigm Data attribute unique indication In any relational database, the first paradigm (1NF) is the basic requirement for relational schemas,

Simple Guide to MySQL optimization (1. optimizing MySQL during compilation If you distribute and install MySQL from the source code, note that the compilation process will have an important impact on the future target program. different

[Slow query optimization] use MySQL subqueries with caution, especially when you see the DEPENDENTSUBQUERY tag. The case sorting time is as follows: I have repeatedly stressed the importance of explain in slow query optimization 1 and 2, but

ObjectiveTalking about MySQL query optimization, I believe you have a collection of artifice: You cannot use SELECT *, do not use null fields, reasonably create an index, select the appropriate data type for the field .... Do you really understand

Simple Guide to MySQL optimization 1. optimizing MySQL during compilation If you distribute and install MySQL from the source code, note that the compilation process will have an important impact on the future target program. different compilation

MySQL work everywhere, countless installation, optimization, has no time, the collation of the archive, recently in the MySQL Dass service, the recently encountered problems, to collate, carding a guide for everyone; Preface MySQL

Guide to MySQL upgrade Http://blog.sina.com.cn/s/blog_5a8b8eb80100ld7a.html We recommend that you upgrade the version from one released version to another. For example, to upgrade MySQL 3.23 to MySQL 4.0, instead of directly upgrading to MySQL 4.1