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

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24
votes
4answers
25k views

MySQL Database User: Which Privileges are needed?

The short installation instruction for WordPress ("5 Minutes") state that: Create a database for WordPress on your web server, as well as a MySQL user who has all privileges for accessing and ...
0
votes
0answers
20 views

Add a Filed to WordPress User Table

I am going to give points for users for their activities. I thought to add a field for user table. Is it a bad idea? I use my own function to update that field.
0
votes
0answers
17 views

Why Do I Still Getting Duplicate Rows in SQL?

I'm creating a Custom Freight System which stores the order and the products requested by the user into the WordPress Database. The Problem When I insert the product into the wp_my_custom_products ...
0
votes
1answer
61 views

Restore woocommerce orders

Recently my server team replaced my database and they put our previous Database . So we lost our order details of one day[particular day] . Now the server team give the backup that contain the lost ...
1
vote
2answers
817 views

Most recent post from another database

I am trying to add the most recent post from another Wordpress database (on the same server in all actuality), but am getting the following error: Fatal error: Call to undefined method wpdb::...
0
votes
2answers
52 views

User content database

I am trying to set up a login where in each users profile they can add their CV and details. These details and CV will then be shown in a page that can be seen by anyone. The user has the option to ...
0
votes
0answers
44 views

How to delete a stuck post using phpMyAdmin

I was attempting to change some leftover http:// references in the DB using Update/Set SQL statements. I was getting confident and started doing them in bulk and stopped noting exactly what I was ...
0
votes
0answers
31 views

Join Wordpress databases from 2 different installs

I'm just now getting into SQL and the core of Wordpress (PHP). So I'm not an experienced WP developer but not intimidated by the tools. But, if the answers could be dummied down a bit would be very ...
0
votes
0answers
9 views

Save Hist in Author Pages by Date (Year and Month)

I'm trying to save the hits that a page receives in the database so I can display them in the front-end if required. I need the hits that an author pages receives and save them by month. I'm a bit ...
0
votes
0answers
22 views

Website keeps redirecting to Wordpress install page (install.php)

I hope someone here can help me as the problem I have is driving me insane. For the last few months I have been putting together a Wordpress portfolio and had almost finished it. Recently, out of ...
1
vote
1answer
34 views

How do I find out the full path of a page's template?

If I run the following query on the WordPress database, I get a list of templates: select distinct(meta_value) from wp_postmeta where meta_key='_wp_page_template'; The templates that come back are ...
0
votes
0answers
44 views

How can I push local database changes to production, without impacting recent posts/pages that were published on production server?

I am currently pushing static file changes like this: git > remote repo > deployHQ > production Seems to work great for static files. Finding a similar solution for the database hasn't been as ...
0
votes
0answers
23 views

Associate multiple Database ID's

I am using a form plugin in a multi-seller woocommerce environment where each user (seller) utilizes this form which the values are stored in form's DB tables. My problem/question is: when a seller......
0
votes
1answer
187 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,...
0
votes
1answer
41 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 ...
0
votes
0answers
63 views

How to create a coupon in the database?

I added over 1000 coupons (schedule ones) in the database. I had one line in wp_posts and several wp_postmeta tables per coupon. To add, I've saw how a coupon was represented there and I've made ...
4
votes
1answer
80 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 ...
0
votes
2answers
31 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"); ...
0
votes
0answers
43 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 ...
0
votes
0answers
17 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 ...
0
votes
0answers
20 views

How can visitors create appointment request to be accessed by all subscribers?

I need some guidance regarding an 'appointment request' implementation. I'm developing an online community as free university platform for patients to find free dental care in university clinics. ...
0
votes
0answers
23 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 ...
0
votes
1answer
40 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 ...
0
votes
0answers
21 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/....
1
vote
2answers
72 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 ...
0
votes
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 ...
5
votes
3answers
2k views

Database connection close

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?
0
votes
1answer
44 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 ...
6
votes
2answers
439 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, ...
0
votes
0answers
80 views

WordPress database error Deadlock found

My website become slow due to this issue. WordPress database error Deadlock found when trying to get lock; try restarting transaction for query DELETE FROM wp_options WHERE option_name LIKE '...
0
votes
0answers
74 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
votes
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 ...
0
votes
3answers
5k views

How to delete all records from or empty a custom database table?

I can't seem to find a simple reliable way to do this - perhaps?: // delete row ## global $wpdb; $delete = $wpdb->query( $wpdb->prepare( "DELETE * FROM `wp_table_name`" ) ); ...
0
votes
0answers
46 views

get_the_terms is not working

After I updated WordPress, a function using get_the_terms() is not working. When I run get_the_terms() I'm not getting terms, but when I add before that call wp_cache_flush(); I'm getting terms so ...
0
votes
1answer
22 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 ...
1
vote
0answers
26 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
vote
1answer
92 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 ...
1
vote
2answers
882 views

Form that sends data to an admin panel and can export it

Is there a way to have a form submit data to a admin control panel where the data is stored and can be rectified there? Could it also be able to export the data as excel for example?
0
votes
0answers
16 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 ...
0
votes
1answer
150 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 ...
0
votes
0answers
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 ...
8
votes
3answers
351 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 ...
0
votes
0answers
24 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
votes
1answer
44 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 ...
0
votes
1answer
25 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 ...
3
votes
2answers
73 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 ...
1
vote
0answers
22 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 ...
0
votes
0answers
25 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 ...
0
votes
0answers
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>&...
1
vote
2answers
72 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 ...