WordPress stores user generated content, along with other configurable information, in a a database (typically MySQL).

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3
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2answers
3k views

How to change option recently_edited?

WP recently_edited option can be very useful - it tracks last 5 files that you've made changes to. Only problem is - well, that's all, 5 files. What if I've been made numerous changes to Wordpress ...
3
votes
2answers
1k views

Custom Post Type with Input fields to seperate table on database.

At the moment I'm using a custom post type called 'locations' I would like to be able to put input fields into the custom post type that would store the information such as ( address, type, phone ...
3
votes
2answers
649 views

Sharing database for collaborative development

Is there a straightforward way to share/sync multiple WP instances with a single database? I work collaboratively with several developers on custom themed sites. We use git to keep our files in order ...
3
votes
1answer
198 views

Can I explicitly specify ENGINE=InnoDB in Wordpress?

I converted all my tables to InnoDB, but the MySQL server (which I can't access, as I'm on shared hosting) has MyISAM as the default, so every new table that Wordpress creates (e.g. when I add a new ...
3
votes
3answers
840 views

Best way to import users, post and categories from an external database

I need to migrate an existing website to WordPress. This website already has a basic database containing users and posts (with a category), but it also has a high number of records so it's not ...
3
votes
1answer
487 views

How is custom menu hierarchy output handled?

I'm looking to pass custom nav_menus through an RSS feed so I can grab them on other sites to create the same custom menu on multiple sites. What I can't figure out by looking through the database is ...
3
votes
2answers
990 views

Shared Members between two different wordpress installations with different databases

I have two wordpress installations with same host with different folders. Each installation uses its own database. I mean, database are separated. I am not using one database for two wordpress ...
3
votes
2answers
911 views

WordPress use innodb by default?

I just created a new WordPress site in my server. Normally, WordPress uses MyISAM as the database type. But this time, it created all InnoDB tables! Is this normal? Has WordPress switched to InnoDB in ...
3
votes
2answers
684 views

How is the data stored in the database?

I have years of experience with PHP and MySQL, but just starting to develop plugins for WordPress and need some help. Currently, I am working on a plugin that will add extra functionality to another ...
3
votes
1answer
310 views

Improve or optimize a very slow query

I have a fairly large database - 113,299 rows in wp_posts and 216,0649 rows in wp_postmeta. There is one custom query that I run after a post is added or edited, which appears in MySQL's slow-log ...
3
votes
1answer
181 views

wp_options table value

I am trying to understand a wordpress behaviour. When I add a tag in the admin panel mysql does a sequence of queries. Essentially: update wp_terms update wp_term_taxonomy and udate wp_options with ...
3
votes
1answer
255 views

Plugin Not Working, But Only On GoDaddy Hosted site

I'm creating a plugin for a friend to log search terms on his site. It's very basic. It creates a new table to store terms entered in the search box. It converts the search term to lower case, ...
3
votes
1answer
343 views

How to use custom database tables for custom post types?

I need to use an existing database table as a Custom Post Type (CPT) to integrate it with wordpress. I've considered @boone-gorges thoughts here (should I?) and have decided, Yes, I need to use a ...
3
votes
1answer
380 views

What is the advantage of separating wp_users and wp_usermeta table?

I want to know why Wordpress designed their database with two tables separating users and meta from each other. Wouldn't it be better if first_name, last_name, nickname, description, and capabilities ...
3
votes
2answers
88 views

Wordpress will not operate correctly

My website is ImASpy.com. If you click on the link, Findings, this takes you to my first Wordpress page. It appears to work fine until you click on comments, or you try to go to the about page, which ...
3
votes
1answer
1k views

importing data from non-wordpress mysql db

I have created an import file to get the articles from a non-wordpress db and bring them in as posts in wordpress, I am not sure how to bring over the thumbnail image into my custom field I defined as ...
3
votes
1answer
196 views

Custom post type or just use custom fields

I am turning a restaurants website into a wordpress website to allow for the customer to take over content changes. The restaurant has a menu that has categories like Baskets with different types. For ...
3
votes
1answer
972 views

Wordpress admin never finishes saving page on site with large page count

I have a Wordpress install with a very large amount of pages (a few hundred thousand), and over time it has gotten to the point where editing a page takes an extremely long amount of time. It would ...
3
votes
1answer
570 views

BuddyPress: What's the use of wp_bp_xprofile_data table and how does it get updated? [closed]

I have a questions related to BuddyPress: What's the use of wp_bp_xprofile_data table? How does the data in the table get updated? And when any user updates his information - does the data in this ...
3
votes
2answers
454 views

Custom database or Custom Post Types?

I have been searching throughout the web for the best way to implement what I need but just cannot find a best solution as there always seems to be some drawback. I'd prefer to do it right the first ...
3
votes
2answers
699 views

How to delete custom field “suggestions” from dropdown list

When you use a standard custom field in WP you have to write the name of the cusotm fields the first time. The second time you use a custom field it sticks to the custom fields dropdown list. But, ...
3
votes
3answers
501 views

How do I save data from submitted form from widget

I'm looking over internet for some simple solution of email subscription widget but no luck. Or they are too complicated and paid, or they are relaying on some external email functions. I'm not a ...
3
votes
3answers
11k views

WooCommerce with thousands of products - site is very slow - optimize db queries? [closed]

So far I've got around 8,000 products in my WooCommerce and the product page on the front end takes several seconds to load, even after caching. My VPS host says that I should have multiple ...
3
votes
1answer
404 views

Showing content from another wordpress installation database in the page template loop?

I am just wondering if it is possible to show just the page content of another wordpress database on wordpress pages with the same pageID within the content loop in my page template. To be more ...
3
votes
1answer
1k views

How to convert regular categories to custom taxonomy?

I have a big list of categories/subcategories (around 60 in all). It now makes sense that instead of these categories being available to any post type's category list, these categories should be moved ...
3
votes
2answers
1k views

remove missing image attachments

Best way to programatically remove attachments that are missing images? I ask because after using a caching plugin, I have images that have been input in the database as attachments that don't ...
3
votes
1answer
2k views

Not sure the best way to save custom plugin data

Doing my first plugin with 3.1 Everything is great, but I need to store the data now. My data is sufficiently complex that it requires custom tables (as opposed to options). So now I am wondering ...
3
votes
1answer
95 views

What is the correct way for plugins to create tables with special charset/collation considerations?

I'm using WordPress >=3.8. The default charset/collation values in wp-config.php are define('DB_CHARSET', 'utf8'); define('DB_COLLATE', ''); // Becomes utf8_general_ci I am in a situation where ...
3
votes
2answers
320 views

Detecting errors generated by $wpdb->get_results()

How do I detect errors when using $wpdb->get_results()? For example: $result = $wpdb->get_results("SELECT * FROM this is not a valid query"); The preceding code doesn't generate any exceptions ...
3
votes
3answers
124 views

Uploading/Deploying a Multi Site Install

So I was looking to create a multi site for a clients since the goal is to have the same branded theme on several sub domains to deal with different countries (e.g. mysite.com, usa.mysite.com, ...
3
votes
5answers
2k views

How to run Two Wordpress blogs with different themes and with single database and same content

How do you run two Wordpress blogs with different themes using one database where the content remains the same in both sites? The issue that I am getting is at the Domain mapping in both blogs.
2
votes
4answers
503 views

Long option names fail silently?

This was really driving me crazy. I was debugging some code with code-generated transient names and they were failing like crazy for no apparent reason. After much much pain and experimentation I ...
2
votes
1answer
4k views

Update Option Stored in Multi-Dimensional Array

I have data in the wp_options table currently stored as a multi-dimensional array (profile_element_order): ...
2
votes
2answers
2k views

Save custom post type in different table

I need to store custom post type post data into a custom table, not in wp_posts and wp_postmeta. Is it possible? anyone help please. Actually, I have created two custom post type named "truck" and ...
2
votes
1answer
5k views

Wordpress default menu in database

There are 3 menus in my wordpress(3.5) now. Main menu (default from wp) Footer menu (default from wp) Test menu Now I have kept test menu as default. Where does Wordpress store this thing? I ...
2
votes
2answers
11k views

Using Dynamic Data Pulled from a MySQL Table in a WordPress Page

I'd like to pull data from a mySQL database and put it in some tables in a WP page. I'm using WP 3.1.1. Imagine that I've got a table of sales figures that I want to pull from a mySQL database and ...
2
votes
2answers
998 views

Should I global $wpdb outside of any of my plugin's functions scope?

I know that the general advice to global variables is to not use them at all. Still, when doing something with the Wordpress database, it is required to do global $wpdb; to access the methods ...
2
votes
2answers
358 views

Efficiency on displaying random authors based on large database

I'm trying to display a list of 5 authors randomly. Here are some solutions I had found: http://stackoverflow.com/questions/5502609/get-authors-randomly ...
2
votes
1answer
67 views

prefix table and plugins

I changed my prefix of my tables from the wp_ to something else for security reasons and good practice etc. I was curious most of new plugins installed take on the new prefix but I have one that ...
2
votes
1answer
234 views

What are these entries in the database? Looks similar to JSON

So I have been wondering for a while now what these entries are and what they do, also what the format of them are. They look similar to JSON but are definitely not JSON. ...
2
votes
2answers
58 views

WordPress Backup

I'm learning how to backup right now and I'd like some validation. From what I understood, to fully backup my Wordpress I need two things. One backup for my database and another for theme files. The ...
2
votes
6answers
3k views

Multisite database upgrade SSL error

I have upgraded my Multisite setup WordPress to 3.6.1. And after that, when I do Network Upgrade > Database Upgrade it's showing: Warning! Problem updating http://www.example.com/site1. Your ...
2
votes
3answers
3k views

Login in Wordpress using external database data

I have a WP site and also have a external DB (means not WP DB) with users. The insertion process at that table uses the same algorithm as WP uses. What I'm need to do here is login in WP but using ...
2
votes
1answer
3k views

How to close wpdb connection?

Is there any method to close connection similar to mysql_close() for wpdb in wordpress? Is it not necessary to close connection for global wpdb?
2
votes
2answers
2k views

Updating Wordpress - the best approach (updating wp core, plugins and db)

What is the best approach (steps) to update Wordpress when I have to update all of the following: wp core plugins database I came across this post http://codex.wordpress.org/Updating_WordPress ...
2
votes
1answer
193 views

Taking WordPress table prefixes into account

Given the code below how would I account for the table prefix that can change from installation to installation? Is there a better way to write it than an SQL query? Is there a variable I've missed ...
2
votes
1answer
174 views

Best way to move live site local

I'm trying to move a big site that's currently live onto my local machine so I can edit locally. I'm using Wamp Server. I've tried using the Duplicator plugin but I'm getting several warnings and ...
2
votes
1answer
54 views

Text snippets shared across posts

I'd like to add a "fast facts" section to a wordpress site - an area in the sidebar where snippets of text are rotated. Where is the best place to store things like this? Widgets don't really allow ...
2
votes
2answers
667 views

Using Disqus, how to stop storing comments in wp database?

I'm using disqus comments system, but it keeps storing the comments in the wordpress database as well. Is there way to disable option to store comments in wordpress database because I don't see any ...
2
votes
2answers
4k views

Edit Custom Database Tables in Wordpress

I have a site that uses custom database tables to manage info that is inserted by a process completely independent from Wordpress. The data from the table is used in the Wordpress site but it is not ...