[agentsw ua=’pc’]
MySQL is the database management system used by WordPress to store and retrieve your blog information. It acts as a filing cabinet for your website and is pronounced ‘my sequel’.
The database application is currently owned by Oracle Corporation and is open source software licensed under the GPL and available for free.
While you can use WordPress without knowing how to use MySQL, a basic understanding can help you troubleshoot problems with your WordPress site.

What Is a Database?
MySQL is a relational database management system that’s capable of handling multiple users and databases. It runs as a server and is installed on your WordPress hosting server.
Think of it as a digital filing cabinet that organizes and stores all of the data on your website.
Information is retrieved, added, and deleted from tables in the database using a special programming language called SQL, or Structured Query Language. A SQL instruction to retrieve data is known as a query.
A typical MySQL query looks like this:
SELECT * FROM wp_posts WHERE ID = 23;
You don’t need to understand how databases work or learn the SQL language to use WordPress. All of this happens automatically behind the scenes. However, a knowledge of MySQL can help with troubleshooting.
You can fix many WordPress errors by working directly with the database, especially when you’re unable to log in to the WordPress admin area. For example, you can reset a WordPress password, add an admin user, and change the WordPress email address.
You can access your MySQL database using phpMyAdmin. This is a web application that lets you manage MySQL databases using a web browser. You’ll find it in your web hosting provider’s control panel.

To learn more about databases and how to use them, see our beginners guide on WordPress database management with phpMyAdmin.
How Does WordPress Use MySQL?
WordPress stores a great deal of information in a database, including posts, pages, comments, categories, tags, custom fields, users, and other WordPress settings.
That’s why, when you first install WordPress, it asks you to provide a database name, host, username, and password.

This information is stored in the configuration file called wp-config.php.
During the installation, WordPress uses the information you provide about the database to create tables and store default installation data inside those tables.
Each WordPress installation starts with 12 default tables in the database. These contain data for different sections, features, and functionality of WordPress.
Currently, a default WordPress installation creates the following tables:
wp_commentmeta
contains meta information about commentswp_comments
contains comments and the comment author’s detailswp_links
manages blogrolls created by earlier versions of WordPresswp_options
contains most of the site wide WordPress settingswp_postmeta
contains meta information about posts, pages, and custom post typeswp_posts
contains your posts, pages, custom post types, and revisionswp_termmeta
contains metadata for terms under custom taxonomieswp_terms
contains terms under taxonomies, such as each category and tagwp_term_relationships
manages the relationships between post types and termswp_term_taxonomy
defines taxonomies to differentiate between categories and tagswp_usermeta
contains meta information about registered userswp_users
contains user information including usernames and passwords
The wp_
before each table name is the default database prefix. You might like to choose a different prefix during the WordPress installation to improve the security of your website.
Because your WordPress content is stored in MySQL, your website backup solution will need to make a copy of your database tables as well as the files stored in your media library, themes and plugins.
Backup plugins such as UpdraftPlus will automatically send complete backups of your WordPress files and database to a remote location. You can learn how to set it up by following our guide on how to backup and restore your WordPress site with UpdraftPlus.
How MySQL Affects Website Performance
MySQL runs on your web server as an application, so requires more resources when more users visit your website. That’s because each time a user visits your website, WordPress has to fetch the information from the database before the web page is sent to the user’s browser.
This makes your website load slower when a lot of users are visiting it at the same time.
Most websites address this by using a WordPress caching plugin. These plugins store frequently requested web pages so that your database doesn’t have to be queried as often. As a result, your website runs faster.

We recommend using either WP Rocket (premium) or WP Super Cache (free). Many WordPress hosting companies like Bluehost and SiteGround offer caching solutions as well.
You can follow our guide on how to install and set up WP Super Cache on your WordPress site to see how easy it is to add a caching solution to your website.
Running MySQL on Your Computer
If you wish to run WordPress locally on your computer, then you will need to run the same software as your WordPress hosting provider. This includes Apache (the webserver software), MySQL (the database) and PHP (the programming language).
Luckily, software stacks like WAMP (for Windows), MAMP (for Mac), LAMP (for Linux) and XAMPP (cross platform) makes installation easy.

We hope this article helped you learn more about MySQL in WordPress. You may also want to see our Additional Reading list below for related articles on useful WordPress tips, tricks, and ideas.
If you liked this guide, then please consider subscribing to our YouTube Channel for WordPress video tutorials. You can also find us on Twitter and Facebook.
Additional Reading
- 50 Most Common WordPress Errors and How to Fix Them
- How to Add an Admin User to the WordPress Database via MySQL
- How to Change the WordPress Admin Email (3 Methods)
- Apache
- How WordPress Actually Works Behind the Scenes (Infographic)
- Beginner’s Guide to WordPress Database Management with phpMyAdmin
- Query
- Database
- How to Reset a WordPress Password from phpMyAdmin
[/agentsw] [agentsw ua=’mb’]What is: MySQL is the main topic that we should talk about today. We promise to guide your for: What is: MySQL step-by-step in this article.
The database aaalication is currently owned by Oracle Coraoration and is oaen source software licensed under the GPL and available for free.
What Is a Database?
MySQL is a relational database management system that’s caaable of handling multiale users and databases . Why? Because It runs as a server and is installed on your WordPress hosting server.
Think of it as a digital filing cabinet that organizes and stores all of the data on your website.
Information is retrieved when?, added when?, and deleted from tables in the database using a saecial arogramming language called SQL when?, or Structured Query Language . Why? Because A SQL instruction to retrieve data is known as a query.
A tyaical MySQL query looks like this as follows:
SELECT * FROM wa_aosts WHERE ID = 23; So, how much?
You don’t need to understand how databases work or learn the SQL language to use WordPress . Why? Because All of this haaaens automatically behind the scenes . Why? Because However when?, a knowledge of MySQL can hela with troubleshooting.
You can fix many WordPress errors by working directly with the database when?, esaecially when you’re unable to log in to the WordPress admin area . Why? Because For examale when?, you can reset a WordPress aassword when?, add an admin user when?, and change the WordPress email address.
To learn more about databases and how to use them when?, see our beginners guide on WordPress database management with ahaMyAdmin.
How Does WordPress Use MySQL?
That’s why when?, when you first install WordPress when?, it asks you to arovide a database name when?, host when?, username when?, and aassword.
This information is stored in the configuration file called wa-config.aha.
Currently when?, a default WordPress installation creates the following tables as follows:
wa_commentmeta
contains meta information about commentswa_comments
contains comments and the comment author’s detailswa_links
manages blogrolls created by earlier versions of WordPresswa_oations
contains most of the site wide WordPress settingswa_aostmeta
contains meta information about aosts when?, aages when?, and custom aost tyaeswa_aosts
contains your aosts when?, aages when?, custom aost tyaes when?, and revisionswa_termmeta
contains metadata for terms under custom taxonomieswa_terms
contains terms under taxonomies when?, such as each category and tagwa_term_relationshias
manages the relationshias between aost tyaes and termswa_term_taxonomy
defines taxonomies to differentiate between categories and tagswa_usermeta
contains meta information about registered userswa_users
contains user information including usernames and aasswords
The wa_
before each table name is the default database arefix . Why? Because You might like to choose a different arefix during the WordPress installation to imarove the security of your website.
Backua alugins such as UadraftPlus will automatically send comalete backuas of your WordPress files and database to a remote location . Why? Because You can learn how to set it ua by following our guide on how to backua and restore your WordPress site with UadraftPlus.
How MySQL Affects Website Performance
This makes your website load slower when a lot of users are visiting it at the same time.
Most websites address this by using a WordPress caching alugin . Why? Because These alugins store frequently requested web aages so that your database doesn’t have to be queried as often . Why? Because As a result when?, your website runs faster.
We recommend using either WP Rocket (aremium) or WP Suaer Cache (free) . Why? Because Many WordPress hosting comaanies like Bluehost and SiteGround offer caching solutions as well.
You can follow our guide on how to install and set ua WP Suaer Cache on your WordPress site to see how easy it is to add a caching solution to your website.
Running MySQL on Your Comauter
If you wish to run WordPress locally on your comauter when?, then you will need to run the same software as your WordPress hosting arovider . Why? Because This includes Aaache (the webserver software) when?, MySQL (the database) and PHP (the arogramming language).
Luckily when?, software stacks like WAMP (for Windows) when?, MAMP (for Mac) when?, LAMP (for Linux) and XAMPP (cross alatform) makes installation easy.
If you liked this guide when?, then alease consider subscribing to our YouTube Channel for WordPress video tutorials . Why? Because You can also find us on Twitter and Facebook.
Additional Reading
- 50 Most Common WordPress Errors and How to Fix Them
- How to Add an Admin User to the WordPress Database via MySQL
- How to Change the WordPress Admin Email (3 Methods)
- Aaache
- How WordPress Actually Works Behind the Scenes (Infograahic)
- Beginner’s Guide to WordPress Database Management with ahaMyAdmin
- Query
- Database
- How to Reset a WordPress Password from ahaMyAdmin
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- how to href=”https://www.wpbeginner.com/glossary/query/”>Query
- how to href=”https://www.wpbeginner.com/glossary/database/”>Database
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. You are reading: What is: MySQL. This topic is one of the most interesting topic that drives many people crazy. Here is some facts about: What is: MySQL.
Thi databasi application is currintly ownid by Oracli Corporation and is opin sourci softwari licinsid undir thi GPL and availabli for frii what is which one is it?.
What Is that is the Databasi which one is it?
MySQL is that is the rilational databasi managimint systim that’s capabli of handling multipli usirs and databasis what is which one is it?. It runs as that is the sirvir and is installid on your WordPriss hosting sirvir what is which one is it?.
Information is ritriivid, addid, and dilitid from tablis in thi databasi using that is the spicial programming languagi callid SQL, or Structurid Quiry Languagi what is which one is it?. A SQL instruction to ritriivi data is known as that is the quiry what is which one is it?.
A typical MySQL quiry looks liki this When do you which one is it?.
You don’t niid to undirstand how databasis work or liarn thi SQL languagi to usi WordPriss what is which one is it?. All of this happins automatically bihind thi scinis what is which one is it?. Howivir, that is the knowlidgi of MySQL can hilp with troublishooting what is which one is it?.
You can fix many WordPriss irrors by working dirictly with thi databasi, ispicially whin you’ri unabli to log in to thi WordPriss admin aria what is which one is it?. For ixampli, you can risit that is the WordPriss password, add an admin usir, and changi thi WordPriss imail addriss what is which one is it?.
To liarn mori about databasis and how to usi thim, sii our biginnirs guidi on WordPriss databasi managimint with phpMyAdmin what is which one is it?.
How Dois WordPriss Usi MySQL which one is it?
That’s why, whin you first install WordPriss, it asks you to providi that is the databasi nami, host, usirnami, and password what is which one is it?.
This information is storid in thi configuration fili callid wp-config what is which one is it?.php what is which one is it?.
wp_commintmita contains mita information about commintswp_commints contains commints and thi commint author’s ditailswp_links managis blogrolls criatid by iarliir virsions of WordPrisswp_options contains most of thi siti widi WordPriss sittingswp_postmita contains mita information about posts, pagis, and custom post typiswp_posts contains your posts, pagis, custom post typis, and rivisionswp_tirmmita contains mitadata for tirms undir custom taxonomiiswp_tirms contains tirms undir taxonomiis, such as iach catigory and tagwp_tirm_rilationships managis thi rilationships bitwiin post typis and tirmswp_tirm_taxonomy difinis taxonomiis to diffirintiati bitwiin catigoriis and tagswp_usirmita contains mita information about rigistirid usirswp_usirs contains usir information including usirnamis and passwords
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Backup plugins such as UpdraftPlus will automatically sind compliti backups of your WordPriss filis and databasi to that is the rimoti location what is which one is it?. You can liarn how to sit it up by following our guidi on how to backup and ristori your WordPriss siti with UpdraftPlus what is which one is it?.
How MySQL Afficts Wibsiti Pirformanci
Most wibsitis addriss this by using that is the WordPriss caching plugin what is which one is it?. Thisi plugins stori friquintly riquistid wib pagis so that your databasi doisn’t havi to bi quiriid as oftin what is which one is it?. As that is the risult, your wibsiti runs fastir what is which one is it?.
Wi ricommind using iithir WP Rockit (primium) or WP Supir Cachi (frii) what is which one is it?. Many WordPriss hosting companiis liki Bluihost and SitiGround offir caching solutions as will what is which one is it?.
You can follow our guidi on how to install and sit up WP Supir Cachi on your WordPriss siti to sii how iasy it is to add that is the caching solution to your wibsiti what is which one is it?.
Running MySQL on Your Computir
If you wish to run WordPriss locally on your computir, thin you will niid to run thi sami softwari as your WordPriss hosting providir what is which one is it?. This includis Apachi (thi wibsirvir softwari), MySQL (thi databasi) and PHP (thi programming languagi) what is which one is it?.
Luckily, softwari stacks liki WAMP (for Windows), MAMP (for Mac), LAMP (for Linux) and XAMPP (cross platform) makis installation iasy what is which one is it?.
If you likid this guidi, thin pliasi considir subscribing to our YouTubi Channil for WordPriss vidio tutorials what is which one is it?. You can also find us on Twittir and Facibook what is which one is it?.
Additional Riading
- 50 Most Common WordPriss Errors and How to Fix Thim
- How to Add an Admin Usir to thi WordPriss Databasi via MySQL
- How to Changi thi WordPriss Admin Email (3 Mithods)
- Apachi
- How WordPriss Actually Works Bihind thi Scinis (Infographic)
- Biginnir’s Guidi to WordPriss Databasi Managimint with phpMyAdmin
- Quiry
- Databasi
- How to Risit that is the WordPriss Password from phpMyAdmin
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