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How Can Work With WordPress Database Using With SQL Query

How Can Work With WordPress Database Using With SQL Query

Perhaps the best thing about WordPress is the way by which it makes it for anybody to have an incredible looking and useful site with no coding data.

Anyway, there are focal points to having the option to do your own manual changes to the WordPress backend.

There are a few kinds of code used in the run of the mill WordPress webpage: HTML and CSS are utilized to control the visual appearance of the website,

PHP and JavaScript give the usefulness of the site, and SQL (in blend with PHP) is used to speak with the database.

WordPress Database Basics

All the substance of your site alongside its structure and client data is put away in the database. This makes WordPress destinations a sort of unique site where the HTML is produced continuously instead of static sites that utilization recomposed HTML documents. Each time somebody gets to your WordPress site, the substance is gotten from the database utilizing a progression of SQL inquiries. All data utilized by your site is put away in tables in the database. You can think about a table as a capacity holder for one sort of data, so your data is kept composed by keeping various kinds of data in various tables. The center WordPress tables are:

  • wp_posts – all the substance of your posts and pages just as menu data and media attachments
  • wp_postmeta – metadata for each post. Metadata is added to this table when you add a custom field to your posts so for instance, you could include what music you were tuning in to at the hour of composing the post. 
  • wp_comments – every one of your remarks on posts and pages including creator, date, email, and so on. 
  • wp_commentmeta – metadata for remarks. 
  • wp_users – usernames, passwords (scrambled), and other client data. 
  • wp_usermeta – metadata for clients. 
  • wp_options – general WordPress settings. 
  • wp_links – utilized for blogroll joins, not so much utilized on most WordPress locales today. 
  • wp_terms – classifications and labels for posts. 
  • wp_termmeta – metadata for classifications and labels. 
  • wp_term_relationships – joins posts with classifications and labels. 
  • wp_term_taxonomy – scientific classifications are utilized for grouping your data. The WordPress default scientific classifications are classification, tag, and connection classification. This table deals with the scientific categorizations including their name and depiction.

However, you presumably have more that are included by the modules and subjects you introduce.

Your WordPress tables may likewise have an alternate prefix.

“wp_” is the default yet it is frequently changed for security reasons.

Each table in the database has a few fields.

  • ID
  • user_login
  • user_pass
  • user_nicename
  • user_email
  • user_url
  • user_registered
  • user_activation_key
  • user_status
  • display_name

The most effective method to Use SQL Commands With the WordPress Database 

The PHP code in your WordPress site contains SQL directions to speak with the database however in the event that you need to do manual database tasks it’s increasingly helpful

to have the option to send the SQL directions physically.

WordPress development services provider company utilizes MySQL as its database the executives’ framework.

There are different graphical UIs for MySQL however the most famous one is phpMyAdmin.

You can, as a rule, get to phpMyAdmin from your facilitating administrator board:

database tools

The most effective method to Use SQL Commands With the WordPress Database 

Contingent upon your WebHost you may be naturally diverted to the phpMyAdmin landing page or you may need to enter a username and secret key first. These subtleties ought to have been provided when you set up your facilitating account however contact your facilitating support in case you don’t know what they are. 

Once signed in you should see a screen this way:

phpMyAdmin screen

Your databases will be recorded down the left-hand side and there ought to be one for each WordPress site you have introduced on your server.

You may likewise have some different databases for none-WordPress related things.

On the off chance that you discover the database for the site you need to take a shot at and click on it (in case you don’t know which is

the correct database, you can discover it in your wp-config.php record beside DB_NAME), you’ll get a diagram of the considerable number of tables in the database, which ought to be

equivalent to those recorded above if it’s a crisp WordPress establishment:

WordPress establishment

On this page, you can make another table and snap-on existing tables to see the information. There are additionally different tabs along the highest point of the page that you can tap on to complete different capacities:

  •  SQL
  • Search
  • Query
  • Export
  • Import
  • Operations
  • Routines
  • Events
  • Trigger
  • Designer

You won’t need to stress over the greater part of these except if you need to get into cutting edge database tasks, however, there are a couple of worth looking at.

Searching the Database

The pursuit tab can be a convenient method to discover and alter records exclusively without utilizing SQL directions. For instance, in the event that you needed to scan for a specific client by email, you could simply type the email address into the pursuit box and select the wp_users database (you can likewise look through the whole database). 

searching the databse

When the pursuit is finished, click the “Browse” connection and snap-on results to alter them straightforwardly. You can likewise erase and duplicate records. 

Before we go any further, it’s a given (however I’m going to state it in any case) that you ought to back up your WordPress database before rolling out any improvements to it. A basic error in a SQL order could wreck your whole site and it’s not in every case simple to fix botches, particularly in case you don’t know how you broke things in any case

Step by step instructions to Backup Your WordPress Database in PHPMyAdmin 

There are different WordPress reinforcement modules that will reinforce your entire site, including the database, however as you’re as of now in PhpMyAdmin, it merits figuring out how to do physically. 

Fortunately, this is extremely simple (except if you have an especially huge database or your WordPress site imparts the database to different projects, where the case follows the custom reinforcement system here). 

You should simply go to the “Export” tab, pick “Quick” as the fare strategy, pick “SQL” as the arrangement, and snap the Go button. 

exporting tables

The record will download to your PC and you can move it to a sheltered spot for capacity. 

In the event that you do need to reestablish from reinforcement, go to the “Import” tab, pick your reinforcement record, and snap Go (the default settings ought to be fine by and large).

Useful SQL Commands for WordPress

Presently you can see your database and skill to inquiry it, you can begin having a fabulous time. There are some valuable things you can do with manual SQL directions that aren’t regularly conceivable without the assistance of an outsider module. 

Recollect whether your tables have an alternate prefix (they don’t begin with “wp_”) you’ll need to alter the table names. 

1. Change Your WordPress Password

Overlooked your secret key and kept yourself out of your WordPress site? No stresses – you can reset it physically in the database with this SQL inquiry:

UPDATE wp_users SET user_pass = MD5( ‘[new_password]’ ) WHERE user_login = ‘[username]’;

MD5 encodes the new secret word so anybody accessing the database can’t peruse the secret key.

2. Transfer Posts to a New Author

On the off chance that you have numerous creators on a site or assume control over a current site from another proprietor, you should move existing posts into your username.

To do this you can utilize the accompanying inquiry:




  post_author = (SELECT ID FROM wp_users WHERE user_login = ‘[new_author_login]’)


  post_author = (SELECT ID FROM wp_users WHERE user_login = ‘[old_author_login]’);

3. Bulk Delete Spam Comments

WordPress development company the Akismet module introduced as default, which is really acceptable at hailing spam. Anyway it’s dependent upon you to consistently check and erase your spam messages. 

On the off chance that you’ve left it some time, you could have a huge number of spam messages and it would take ages to erase them all from the dashboard each page in turn. Rather utilize the accompanying SQL inquiry to erase the part in one go: 

{ DELETE FROM wp_comments WHERE comment_approved = “spam”; }

On the off chance that you have a great many pending remarks and don’t have the opportunity to restore them, you can simply erase them with the accompanying inquiry (however know you may wind up erasing some certified remarks): 

{ DELETE FROM wp_comments WHERE comment_approved = “0”; }

On the off chance that you would prefer not to erase every one of your remarks however have an issue with a spammer who continues connecting back to a specific site, you can utilize this question to dispose of all remarks ascribed to a specific URL:

{ DELETE from wp_comments WHERE comment_author_url LIKE “%spamurl%” ; }

4. Update Links When You Move to a New Domain

Connections in WordPress are outright instead of relative, so you’ll need to transform them all when you move your site to another area. There are modules that will do this for you or your can utilize the accompanying SQL inquiry: 

{ UPDATE wp_posts SET post_content = REPLACE (post_content, ‘[old_domain]’, ‘[new_domain]’); }

This is fundamentally a discovery and substitute capacity for all the posts on your site so you might have the option to utilize it for different purposes as well.