This article is the continuation of the first cache optimization article in the MySQL optimization series. It introduces all aspects of cache optimization in more detail. I hope you will like MySQL. There are caches everywhere inside. I will come back when I read the source code of MySQL. Detailed analysis of how cache is used. This part mainly covers various explicit cache optimizations: query cache optimization result set cache sorting cache join connection cache table cache Cache and table structure definition cache Cache table scan cache buffer MyISAM index cache buffer log cache read-ahead mechanism delayed table and temporary table 1 , Query cache optimization The query cache not only caches the query statement structure, but also caches the query results. Within a period of time, if it is the same SQL, the results will be read directly from the cache to improve the efficiency of data search. But when the data in the cache is inconsistent with the data in the hard disk, the cache will become invalid. mysql> show variables like '%query_cache%'; +----------------
1. How to use cache optimization? Summarize the usage of cache optimization examples
## Introduction: This article is the first article in the MySQL optimization series about cache optimization In this sequel, I will introduce all aspects of cache optimization in more detail. I hope you will like the fact that MySQL has caches everywhere. When you read the source code of MySQL, we will analyze in detail how the cache is used. This part mainly covers various explicit cache optimizations: query cache optimization result set cache sorting cache join connection cache table cache Cache and table structure definition cache Cache table scan cache buffer MyISAM index cache buffer log cache read-ahead mechanism delay...
2. 10 recommended articles about Mysql database programming
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Detailed tutorial on how to insert records
## Introduction: Inserting, browsing, modifying and deleting records in the data table can be completed using sql statements in the MySQL command line. Here is how to execute basic SQL statements in the MySQL command line 1. Insert records. When creating an empty database and data table, the first thing to consider is how to add data to the data table. This operation can be completed using the insert statement. The syntax format is as follows: insert into data table name (column_name, column_name2,... )value(value1,value...
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Usage summary of partition types
Introduction: I have only implemented the following four database partitions: RANGE (range) partition, and there are three more that I will try to implement in the future. Friends who have implemented it can share what they think is good writing. Related articles Four partition types of MySQL tables 1. What is table partitioning? In layman's terms, table partitioning is dividing a large table into several small tables according to conditions. For example, mysql5.1 starts to support data table partitioning. If there are more than 6 million records, then the table can be partitioned according to the storage date or the location. Of course, it can also be partitioned according to other conditions. 2. Why...
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Detailed introduction about mysql5.6.21Introduction: This article mainly introduces the detailed steps of installation and configuration of mysql5.6.21, which has certain reference value. Interested friends can refer to 1. Overview of MySQL version: 5.6.21 client Tool: Navicat for MySQL 2. MySQL installation 1. The file name of MySQL after downloading is: mysql_installer_community_V5.6.21.1_setup.1418020972.msi. The diagram is as follows: 2. After double-clicking, the following window will pop up: (If the system... 6. Recommended 7 articles about query constructors Introduction: Recently, the editor is studying what is known as the best framework in the world - Laravel. In fact, the learning framework is the idea of learning framework! I want to record some of my experiences in laravel learning in my blog. You are welcome to follow my other Github. Blog and short book, communicate with each other! Version: Laravel 5.2 Database: mysql 5.7 PHP: php7.1 Database operation and query constructor There are two ways to perform database operations in Laravel, one is to use the \DB appearance object of... 7. Recommend 10 introductory tutorials about Java classes ## Introduction: This article describes the comparison table between Java data types and MySql data types. It is shared with everyone for your reference. The details are as follows: Type name display length Database type JAVA type JDBC type index (int) VARCHARL +NVARCHARjava.lang.String12CHARNCHARjava.lang.String1BLOBL+NBLOBjava.lang.byte[]-4TEXT65535VARCHARjava.lang.String-1I... 8. About .BYTE 10 recommended articles 9. Recommended 5 articles about .BYTE[] 10. Recommended 4 articles about installation-free configuration [Related Q&A recommendations]: java - Spring-data-jpa The information just saved cannot be found mysql - in PHPMyadmin After messing around with it here comes up - #2002 - - The server is not responding (or the local server's socket is not set up correctly). Database - Questions about installing MySQL? 
##Introduction: This article gives you a detailed introduction to the installation-free configuration tutorial of MySql 5.7.17. First, you need to download the installation package of mysql 5.7.17, and then unzip it. You can go through the specific configuration process. Let’s study together with this article 1. Download the mysql-5.7.17-winx64.zip installation package 2. Unzip the installation package. D:\DevelopTool\mysql-5.7.17-winx64 #Decompression directory 3. Create a folder named data in the decompression directory to store data...
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