how to execute mysql query in php

High Performance MySQL Reading Notes-query performance optimization, high performance mysql For high-performance database operations, it is not enough to design the optimal database table structure and build the best index. You also need to design

First, IntroductionNginx is a very lightweight HTTP server written by the Russians, Nginx, which is pronounced "engine X" and is a high-performance HTTP and reverse proxy server, as well as a IMAP/POP3/SMTP proxy server. Nginx was developed by the

Compare the buffer query and no buffer query of MySQL in PHP, phpmysql About cache query and unbuffered QueryThe MySQL client has two types of queries:Buffer query:The query results will be received and stored in the client cache, And the next

For high-performance database operation, it is not enough to design the optimal library table structure, and to establish the best index, but also need reasonable design query. If the query is poorly written, high performance cannot be achieved even

MySQL常用指令，java，php程序员，数据库工程师必备。程序员小冰常用资料整理MySQL common commands (for reference)The most common display commands are:1. Display the list of databases.show databases;2. Display the data table in the library:Use MySQL;Show tables;3, display the

About buffered queries and no buffer queriesThere are two types of queries for MySQL clients:buffered queries: will receive the results of the query and store them in the client's cache, and the request to obtain row records is only obtained locally.

HP layer to MySQL layer The PHP to the SQL component hierarchy is shown in the following illustration: Ext/mysqli and Ext/mysql are the client's extender libraries (library functions), which are extended libraries at the client-side scripting

PHP Server Environment build installation software preparation 1. Apache224.tar.gz2. php-5.2.9.tar.gz3. mysql-5.1.54.tar.gzPHP and individual component packagesLibxml2-2.6.30.tar.gzXML C language version of the

Concrete Example 1. PHP Server ComponentsFor beginners, it is recommended to use the integrated server component, which already includes PHP, Apache, Mysql and other services, eliminating the time spent by developers in the tedious configuration

LNMP (nginx + mysql + php) Environment/architecture one-click installation script LNMP (nginx + mysql + php) Environment/architecture one-click installation script, which has passed the test on CentOS 7.1, with a time of 27 minutes and hardware