Strictly speaking, hadoop and mysql have nothing to do with each other. The difference is that hadoop is a distributed computing framework used to process large amounts of data, while mysql is a database used to store data.
But generally speaking, the database used with hadoop is not a traditional relational database such as mysql, because when the amount of data is very large, the processing of these databases The speed will be very slow (even if a cluster is built, it will still be slow). Instead, non-relational databases such as hbase will be used, and the processing speed will be relatively stable during large amounts of data processing.
What is the difference between hadoop and mysql?
Give a simple example. Mysql is a sack with data in it. Hadoop is a very powerful tool, and its role is to process big data including these sacks.
So, in fact, there is no direct relationship between them.
The above is the detailed content of What is the difference between hadoop and mysql?. For more information, please follow other related articles on the PHP Chinese website!
Java错误：Hadoop错误，如何处理和避免Jun 24, 2023 pm 01:06 PMJava错误：Hadoop错误，如何处理和避免当使用Hadoop处理大数据时，常常会遇到一些Java异常错误，这些错误可能会影响任务的执行，导致数据处理失败。本文将介绍一些常见的Hadoop错误，并提供处理和避免这些错误的方法。Java.lang.OutOfMemoryErrorOutOfMemoryError是Java虚拟机内存不足的错误。当Hadoop任
mysql怎么替换换行符Apr 18, 2022 pm 03:14 PM在mysql中，可以利用char()和REPLACE()函数来替换换行符；REPLACE()函数可以用新字符串替换列中的换行符，而换行符可使用“char(13)”来表示，语法为“replace(字段名,char(13),'新字符串') ”。
mysql怎么将varchar转换为int类型May 12, 2022 pm 04:51 PM转换方法：1、利用cast函数，语法“select * from 表名 order by cast(字段名 as SIGNED)”；2、利用“select * from 表名 order by CONVERT(字段名,SIGNED)”语句。
MySQL复制技术之异步复制和半同步复制Apr 25, 2022 pm 07:21 PM本篇文章给大家带来了关于mysql的相关知识，其中主要介绍了关于MySQL复制技术的相关问题，包括了异步复制、半同步复制等等内容，下面一起来看一下，希望对大家有帮助。
带你把MySQL索引吃透了Apr 22, 2022 am 11:48 AM本篇文章给大家带来了关于mysql的相关知识，其中主要介绍了mysql高级篇的一些问题，包括了索引是什么、索引底层实现等等问题，下面一起来看一下，希望对大家有帮助。
mysql需要commit吗Apr 27, 2022 pm 07:04 PM在mysql中，是否需要commit取决于存储引擎：1、若是不支持事务的存储引擎，如myisam，则不需要使用commit；2、若是支持事务的存储引擎，如innodb，则需要知道事务是否自动提交，因此需要使用commit。
mysql-connector是什么May 12, 2022 pm 04:04 PM“mysql-connector”是mysql官方提供的驱动器，可以用于连接使用mysql；可利用“pip install mysql-connector”命令进行安装，利用“import mysql.connector”测试是否安装成功。
在Beego中使用Hadoop和HBase进行大数据存储和查询Jun 22, 2023 am 10:21 AM随着大数据时代的到来，数据处理和存储变得越来越重要，如何高效地管理和分析大量的数据也成为企业面临的挑战。Hadoop和HBase作为Apache基金会的两个项目，为大数据存储和分析提供了一种解决方案。本文将介绍如何在Beego中使用Hadoop和HBase进行大数据存储和查询。一、Hadoop和HBase简介Hadoop是一个开源的分布式存储和计算系统，它可
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
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool
DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software
SublimeText3 English version
Recommended: Win version, supports code prompts!
ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment
