indexing in mysql database with example

(1) Reduce Database Access Static pages are possible Static parts of a dynamic page Some data can be generated as XML or saved as text files Use data caching technology, such as memcached (2)Optimization Detection Method 1. User Experience

Index, it can be said that database-related optimization, especially in query optimization, one of the most common optimization means, although so, but the index is not a solution to query optimization of the Bible, can not only find query run fast

With its excellent performance, low cost and rich resources, MySQL has become the preferred relational database for most Internet companies. Although performance is good, but the so-called "good Horse with good saddle", how to better use it, has

I. SummaryThis paper takes MySQL database as the research object and discusses some topics related to database indexing. In particular, MySQL supports many storage engines, and the various storage engines support the indexes differently, so the

First, the concept of the indexindexing is the way to speed up the retrieval of data in a table. The index of the database is similar to the index of the book. In books, the index allows users to quickly find the information they need without having

1.MySQL Engine Overview 1.1 What is a storage engineWhen we record a video file, it can be converted to different formats such as mp4,avi,wmv, and on the computer's disk will also exist in different types of file system Windows common Ntfs,fat32,

One, indexing base usage 1. Create an index You can create an index when you execute a CREATE TABLE statement, or you can add an index to a table by using either CREATE INDEX or ALTER TABLE alone. 1>alter TABLE ALTER table is used to create a

Transfer from http://www.searchdatabase.com.cn/showcontent_86230.htmWith its excellent performance, low cost and rich resources, MySQL has become the preferred relational database for most Internet companies. Although performance is good, but the so-

An introduction The principle of two indexes Three-indexed data structures Three MySQL index management Four Test indexes Five correct use index Six query optimization artifact-explain The basic steps of seven-slow query

Naming rules: Table name _ Field name1. Fields that need to be indexed, in the Where condition2. Fields with low data need not be indexed3, if the Where condition is an OR relationship, index does not work4, accord with the left