Home > Database > Mysql Tutorial > body text

索引_举例:IO成本:全表扫描<走索引

WBOY
Release: 2016-06-07 15:54:45
Original
1296 people have browsed it

索引实验: 目的: 举例全表扫描IO成本小于走索引。

索引实验:

目的:

举例全表扫描IO成本小于走索引。

\

\

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template