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

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259 views

ERROR: “Table Prefix” must not be empty

I'm having trouble trying to setup WordPress for local development, I tried to install it, but even though I fill up the form to setup config file I still get the same error, I can connect to database,...
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1answer
42 views

Form and database, plugin development

I'm developing my first plugin. It creates directories and save the path, level (if it is a subdirectory of other created directory) and name in a custom table, created at the activation. The plugin ...
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2answers
33 views

Get all images from this database table

This is my code. Where I'm wrong? <?php $connection = mysql_connect($DB_HOST, $DB_USER, $DB_PASSWORD); mysql_select_db($DB_NAME); $img = mysql_query("SELECT * FROM wp_bwg_image"); ...
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53 views

How to configure MySQL-SSL-Access to a MySQL Server 5.5 when a list of CIPHERS seems mandatory?

I have a MySQL 5.5 Server with SSL setup. I can connect with my MySQL user via command line from the webserver to the database server over TCP and verified the connection is encrypted. I figured out ...
4
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1answer
93 views

Wordpress Unit Testing - Cannot Create Tables

I'm using PHPUnit to Unit Test my WP plugin on top of the WP testing suite. Everything works fine except that when I try to create a table via the setUp method, the table doesn't get created. Here's ...
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18 views

Query a custom post type from a different WordPress install?

I have a client who would like to only create his items on one domain, but have a specific taxonomy of that custom post type display on a different domain (this is not multi-site...they are separate ...
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24 views

Database table not created without error

I have this code to run on activation to create the table $table_name = $wpdb->prefix . "codes" function code_install() { $sql = "CREATE TABLE IF NOT EXISTS " . $table_name . " ( id ...
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1answer
41 views

I have include wp-config, should I add global $wpdb also?

Usually, In my wordpress website, when I modify template page file, it is done by only add global $wpdb for databse operation without including wp-config file. Now, I create my own php file in ...
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23 views

user_id increment?

I wanted an Admin account with user_id 999 in our database, so I changed some settings in the database according to http://www.wpwhitesecurity.com/wordpress-security/change-wordpress-administrator-id/....
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2answers
85 views

Delete transients in website

We have so many error happen on website (WordPress and Woocommerce) error log and it will show the following error message WordPress database error Deadlock found when trying to get lock; try ...
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1answer
13 views

Surrogate ID for posts, is there an alternative field in the posts table?

I am copying some content between another CMS and Wordpress. I need to keep track of the original Id because I might have to update the copied content in the future. The old CMS will still be used for ...
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1answer
47 views

Plugin Development: Storing and Manipulating Data That Fits JSON in Database

I am new to Wordpress plugin development but not web development in general. I have a website whose functionality I am trying to port over to Wordpress for a client that needs it in a custom plugin ...
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2answers
451 views

How to tell which database tables belongs to which multisite site

I have a local multisite installation I use for development with a relatively large number of sites set up. Every site has its own numbered database tables (i.e. wp_n_links, wp_n_options, ...
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84 views

Unusable menus and “Illegal widget setting ID: nav_menu_item[]” error

This is a bug in my WP install that has crept up unknowingly; I can't say for sure when it began. To describe it: there were menus created in the Appearance -> Menus page early in the site's history, ...
2
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0answers
41 views

Should I hint table index for search query on wp_post

I'm currently inspecting a WordPress setup with multiple custom post types that should be included into search results. The database query for a search after the word Search looks like this: SELECT ...
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1answer
26 views

I have a form with a custom button ,i want to add the field data to an database when clicking the custom button

So im new to wp/themes,and coding, but love it and love trying to build sites, I used the form from the theme, extracted only the email field and added a button on that field basically inside of that ...
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28 views

Show all data in database table and make it into an interactive table

I have to make a table where my data from my database can be stored and rearranged with every row. The name of every row should be a link to the function mymanual_edit(). Look at the image for ...
1
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1answer
107 views

How to merge local and live databases?

We've been developing for Wordpress for several years and whilst our workflow has been upgraded at several points there's one thing that we've never solved... merging a local Wordpress database with a ...
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16 views

Excerpt data from one page into another

I'm a comparative noob at working inside WordPress. I'm trying to do my homework before asking, but haven't been able to uncover answers to the following. I could use your expertise. I'm working ...
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0answers
17 views

change data in mysql but don't change in admin

I have a problem, I have changed the content of my page in MySQL, but when I reopen the same page in the WordPress Admin panel, the content hasn't changed why is this? I'm using the interconnect ...
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0answers
26 views

WordPress Database - wp_comments?

I am working on extracting data from a WordPress database to my own. I have managed to transfer all the comments from the wp_comments table. Every comment should have an image or attachment ...
0
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1answer
177 views

Catchable fatal error in formatting.php

I'm running a WordPress 4.4.2. I have one site that's working fine. When I went to set up another site, I got the following error upon trying to save the "general" settings page: Catchable fatal ...
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1answer
29 views

Include post_status check within $wpdb query

I've got a function that returns a count from the database for publish posts that match the product ID to the post meta ID (both are the product type). I've realized this query returns unpublished ...
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1answer
59 views

Improving wpdb queries with large data

My plugin will handle large amounts of data that could could result in the queries reading over 5000 items in a database query. The admin will provide a set of CSV files that get stored/organized in ...
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2answers
78 views

What is the added “complexity” of custom tables?

Wordpress Codex says: Think very carefully before adding a table because it adds complexity to your plugin that many users and site builders prefer to avoid. Why is it so? Adding more tables is ...
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24 views

Emojis replaced by '?' automatically

I just discovered that all emojis on my site were replaced by the ? char. I saw this on comments and posts. Tables like wp_comments or wp_posts had a utf8mb4_unicode_ci collation before and now, so ...
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28 views

Wordpress changes not showing

I'm wondering how to fix the website when the changes are not showing instantly? I tried the following fix: Installed W3 Total Cache and Super cache and cleared all the cache on the website Cleared ...
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23 views

log in form using a separate database

in the html code i have made this form: <form action="http://www.mySite.co/login.php" method="post"> <fieldset> <p><input type="text" name="uname" placeholder="Name" required>&...
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2answers
86 views

Create WP_Query to search for posts by their categories or their parent/child categories

Hello I am really sorry if this has been asked before but I couldn't find the exact solution I need. So here's the problem I want to create a search in my Wordpress page. Whenever a user submits the ...
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1answer
17 views

Is there a way to recover the table wp_term_relationships?

I'm trying to help a Non-Profit Organization with their site (which is built with Wordpress) that suddenly became "buggy"/odd: menus were missing, categories were empty, etc. I'm no expert around ...
0
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1answer
36 views

Localize strings from db

I'm using this method to translate strings in my template. The question is, what if some strings are dynamically loaded from the db? How can i translate them? I've been googling for days and even ...
8
votes
3answers
366 views

Ignoring initial articles (like 'a', 'an' or 'the') when sorting queries?

I'm currently trying to output a list of music titles and would like to have the sorting ignore (but still display) the initial article of the title. For example if I had a list of bands it will be ...
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20 views

Processing a lot of $wpdb isn't insert all the data

In my plugin the user provides some CSV files that are processed and either inserted or updated based on a sku (which acts as a foreign key to my DB and a primary key for where the CSV comes from). I ...
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20 views

See site's database's schema

How can I have access to my wordpress site's database schema without SSH an access ? I need to see the tables and fields but couldn't find a way without SSH (my host doesn't provide SSH access).
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22 views

How to update the values when the featured image has changed?

I'm trying to implement this function. It saves in the database the dominant color of the image uploaded as featured image in a post. It's working perfectly BUT the problem is that it only works when ...
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23 views

Access a WordPress Table from Outside Project

I have a PHP project on example.com and I have a WordPress installation on example.com/blog. I need to get data for my PHP project from one of My WordPress table. Is it possible? If it is possible ...
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1answer
21 views

Query wp_postmeta into an array based on post_id

I know this might be a simple question but can someone explain to me how to query the WP database and pull in all the "meta_key" and "meta_value" from "post_id" into an array? I have looked at code ...
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0answers
12 views

Do I need to worry about filling meta_value column in wp_postmeta table during migration?

I am migrating article/post data from a Joolma site running 'seblod', which has scattered the data across multiple database tables, so I can't use an off the shelf migration plugin. I am transfering ...
3
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1answer
221 views

How to export WP database for import using WP-CLI on Vagrant Box?

Problem Now that I have a new environment with WP-CLI db import / export I need to import a database from a website that never had WP-CLI installed. Question What's the best Non-WP-CLI export ...
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1answer
24 views

Tool to check the database in Production [closed]

I Would like to use a tool to execute SELECT requests on the PRODUCTION database. This tool must be full security because my site is deployed on Internet. Any idea ? Regards
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1answer
107 views

How Yoast SEO plugin works with variable %%name%%?

I know that Yoast SEO plugin doesn't create any database table then why in wp_postmeta numbering of meta_id are not continuous? Is it because of Yoast Plugin? Also I want to know how its feature of ...
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2answers
143 views

Can't update database after wordpress update from 3.8.1 to 4.4.1

I have just updated wordpress 3.8.1 to 4.4.1. Tried to update in various ways: Before updating I have deactivated all the plugins and switched to the default theme provided by wordpress i.e. ...
0
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1answer
25 views

Unkown meta_value in ACF

I'm using ACF, but I wonder the meta_value means? Below is a snippet from my database: meta_id post_id meta_key meta_value 9394 4661 _carousel_0_image field_5683f27fd880e So what ...
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138 views

How do I establish a connection between Firebase user database and WordPress?

I'm making a Website and an android app. The android app stores its user details i.e., username and password on Firebase database; I'm also making a website and I want a login in the website which ...
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0answers
24 views

One WP Database outside localhost and two connections

I would like to ask for help with this problem. I have two places where I have the same WP. 1) Test site - own domain, hosting and DB - here is stored database, so siteurl is here, example: test.com ...
0
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0answers
20 views

Import SQL backup

So I accidentally deleted MySQL database of my wordpress, but my site is still running, I can access all the file in the filezilla but I just can't access the admin area of wordpress to make any ...
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52 views

#1062 - Duplicate entry '1' for key 'PRIMARY'

I am trying to move my database from my usbwebserver to my online server. But I get this error, can anyone help me with this? #1062 - Duplicate entry '1' for key 'PRIMARY'
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0answers
18 views

Importing inventory from a csv file in the ftp to the database

I'm looking to upload the content contained in a csv file from FTP directly into a WordPress database every 24 hours. This csv file (containing inventory items) gets generated from one site, and I ...
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39 views

MS Access to wordpress sql

I have a client who runs a store and has around 125000 products and he manages his stock from MS Access server. His current site is just for product catalog but he wants to have a new site to sell ...
0
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1answer
39 views

Does WordPress $wpdb functions wait when table is locked?

Does WordPress' $wpdb functions wait when the table is locked? For example Function A() uses $wpdb->getresults. When $wpdb->getresults wants to read a table and its locked, does it wait for ...