MYSQL 浅谈MyISAM 存储引擎_MySQL
bitsCN.com 思维导图
>> 操作
>> 为content字段添加全文索引
>> 查看表的索引情况
> 延迟更新索引。MYISAM 默认把DELAY_KEY_WRITE开启, 整个选项是MYISAM引擎独有的。
注意:在查询结束后，不会将索引的改变数据写入磁盘，而是改变内存中的索引数据。只有在清理缓冲区或关闭表时才将索引块转储到磁盘。
> 压缩表
>> 查看数据文件位置
>> 压缩文件
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
Huawei will launch innovative MED storage products next year: rack capacity exceeds 10 PB and power consumption is less than 2 kW
Mar 07, 2024 pm 10:43 PM
This website reported on March 7 that Dr. Zhou Yuefeng, President of Huawei's Data Storage Product Line, recently attended the MWC2024 conference and specifically demonstrated the new generation OceanStorArctic magnetoelectric storage solution designed for warm data (WarmData) and cold data (ColdData). Zhou Yuefeng, President of Huawei's data storage product line, released a series of innovative solutions. Image source: Huawei's official press release attached to this site is as follows: The cost of this solution is 20% lower than that of magnetic tape, and its power consumption is 90% lower than that of hard disks. According to foreign technology media blocksandfiles, a Huawei spokesperson also revealed information about the magnetoelectric storage solution: Huawei's magnetoelectronic disk (MED) is a major innovation in magnetic storage media. First generation ME
Vue3+TS+Vite development skills: how to encrypt and store data
Sep 10, 2023 pm 04:51 PM
Vue3+TS+Vite development tips: How to encrypt and store data. With the rapid development of Internet technology, data security and privacy protection are becoming more and more important. In the Vue3+TS+Vite development environment, how to encrypt and store data is a problem that every developer needs to face. This article will introduce some common data encryption and storage techniques to help developers improve application security and user experience. 1. Data Encryption Front-end Data Encryption Front-end encryption is an important part of protecting data security. Commonly used
How to clear cache on Windows 11: Detailed tutorial with pictures
Apr 24, 2023 pm 09:37 PM
What is cache? A cache (pronounced ka·shay) is a specialized, high-speed hardware or software component used to store frequently requested data and instructions, which in turn can be used to load websites, applications, services, and other aspects of the system faster part. Caching makes the most frequently accessed data readily available. Cache files are not the same as cache memory. Cache files refer to frequently needed files such as PNGs, icons, logos, shaders, etc., which may be required by multiple programs. These files are stored in your physical drive space and are usually hidden. Cache memory, on the other hand, is a type of memory that is faster than main memory and/or RAM. It greatly reduces data access time since it is closer to the CPU and faster compared to RAM
Git installation process on Ubuntu
Mar 20, 2024 pm 04:51 PM
Git is a fast, reliable, and adaptable distributed version control system. It is designed to support distributed, non-linear workflows, making it ideal for software development teams of all sizes. Each Git working directory is an independent repository with a complete history of all changes and the ability to track versions even without network access or a central server. GitHub is a Git repository hosted on the cloud that provides all the features of distributed revision control. GitHub is a Git repository hosted on the cloud. Unlike Git which is a CLI tool, GitHub has a web-based graphical user interface. It is used for version control, which involves collaborating with other developers and tracking changes to scripts and
How to correctly use sessionStorage to protect sensitive data
Jan 13, 2024 am 11:54 AM
How to correctly use sessionStorage to store sensitive information requires specific code examples. Whether in web development or mobile application development, we often need to store and process sensitive information, such as user login credentials, ID numbers, etc. In front-end development, using sessionStorage is a common storage solution. However, since sessionStorage is browser-based storage, some security issues need to be paid attention to to ensure that the stored sensitive information is not maliciously accessed and used.
How do PHP and swoole achieve efficient data caching and storage?
Jul 23, 2023 pm 04:03 PM
How do PHP and swoole achieve efficient data caching and storage? Overview: In web application development, data caching and storage are a very important part. PHP and swoole provide an efficient method to cache and store data. This article will introduce how to use PHP and swoole to achieve efficient data caching and storage, and give corresponding code examples. 1. Introduction to swoole: swoole is a high-performance asynchronous network communication engine developed for PHP language. It can
Full analysis of Java collection framework: dissecting data structure and revealing the secret of efficient storage
Feb 23, 2024 am 10:49 AM
Overview of Java Collection Framework The Java collection framework is an important part of the Java programming language. It provides a series of container class libraries that can store and manage data. These container class libraries have different data structures to meet the data storage and processing needs in different scenarios. The advantage of the collection framework is that it provides a unified interface, allowing developers to operate different container class libraries in the same way, thereby reducing the difficulty of development. Data structures of the Java collection framework The Java collection framework contains a variety of data structures, each of which has its own unique characteristics and applicable scenarios. The following are several common Java collection framework data structures: 1. List: List is an ordered collection that allows elements to be repeated. Li
Methods and techniques for data caching and storage using PHP arrays
Jul 16, 2023 pm 02:33 PM
Methods and techniques for using PHP arrays to implement data caching and storage. With the development of the Internet and the rapid growth of data volume, data caching and storage have become one of the issues that we must consider during the development process. As a widely used programming language, PHP also provides a wealth of methods and techniques to implement data caching and storage. Among them, using PHP arrays for data caching and storage is a simple and efficient method. 1. Data caching The purpose of data caching is to reduce the number of accesses to the database or other external data sources, thereby improving
