MySQL is an open-source, relational database management system.

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1answer
90 views

Using <?php echo get_num_queries(); ?> queries in and i see 7000+queries?

I have put queries in seconds. in my footer.php and i see more than 7000 queries in about 9 secs , is this a lot?? On my localhost i have 195 queries in 3,070 seconds. As the live ...
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1answer
50 views

Plugin data shared in Multisite

I am trying to build a site that very closely resembles another and so far so good with WordPress Multisite Networks. I am also using the plugin WP-FileBase - this plugin creates a database table per ...
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0answers
55 views

Choosing the right server for a big WordPress site with buddypress

I started working in a WordPress site with buddypress and I need to choose a server. They have 1.9 million users in the database and they are estimating to have like 250,000 views every month. The ...
0
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1answer
31 views

Linking Plug-In Files to WP

I am writing a plug-in right now which adds a table to the database when activated. I have another file in my plug-in directory which handles a form submission and writes to the database. This file ...
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1answer
50 views

Query the database after get_header() has been included

I'm trying to create a custom template. Iv'e searched a lot but cannot find how to query the database once the get_header() is added to the page. What I am looking for is for PROPER ways to query ...
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0answers
36 views

Writing into MySQL Table

I'm trying to write some data from the frontend into a custom database table. As long there is no value in the input field this script creates an empty line in the database table, but if the input ...
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2answers
101 views

WordPress for a very large website

I've searched and searched but I did not find an answer online. Also, I've posted this on StackOverflow and apparently it wasn't ok and I reposted this here. I hope it's ok. I have this website which ...
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0answers
55 views

Renaming admin user on multisite install by MySQL

As part of a general tightening of security, I want to change the name of the admin user on my multisite install to something less commonly used. This user is admin on all five sites in the network ...
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1answer
116 views

Using mysql to replace img src?

I tried to use the Enable Media Replace Plugin to replace some images on my site with updated versions. There is an option to update all instances where the file is used on the site, but this only ...
0
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1answer
557 views

meta_query on a date range using an array of values

How can I do a query to return the post if the custom field array contains a date that is within the specified range? The query below is basically what I am after but it does not work... // the ...
0
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1answer
17 views

meta_query dates from an array

I have the below query which isn't returning anything. The query is meant to look for the date (2014-03-01) that is in the array, which it is. Any ideas? Or would I need to use a custom SQL query? ...
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1answer
84 views

Calling mysql_query() on another database, assumes WordPress using that database

I'm attempting to import some data from a legacy site into WordPress. First step is terms for taxonomy event_category. Here is my approach: $link = mysql_connect( 'localhost', 'blah', ...
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2answers
571 views

Query multiple meta key values for template

I am using this template: http://demo.undsgn.com/studiofolio/front-page/ I tried to make some modifications because I need the homepage template to display an excerpt beneath each thumbnail. I copied ...
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0answers
20 views

Queries gone haywire since update to 3.8.1 [duplicate]

I have a WordPress install on a dedicated server with decent memory (upwards of 8GB) Since upgrading to 3.8, I started getting mysql disconnects/timeouts, better known as MySQL server has gone ...
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2answers
1k views

How to return number of found rows from SELECT query

I wrote a function which is supposed to return the number of rows found in a SELECT query but it always either seems to return 0 or an array. I have been messing around with this for about an hour now ...
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vote
1answer
95 views

How to determine what is generating large amount of database queries?

For some reason, my Wordpress site is using a lot of memory (spiking at 72MB) and generating a huge amount of database queries (76923 according to Wp-Memory-Usage. I'm really not sure why this would ...
0
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1answer
170 views

Add row to custom database Table and delete all rows older than 1 day

I'm editing a view counter plugin so that it logs the IP of every user that viewed a post. This is to prevent them from refreshing the page and thus creating artificial views. The part I'm having ...
0
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1answer
33 views

Splitting One Big WordPress Site into Multiple Small Sites

I have a very big WordPress site and I am facing speed issue and server resources issues. Specially numbers of MySQL records are so high. So, I want to split the big WordPress site into multiple small ...
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0answers
33 views

Moving WordPress site to a new server - Admin not loading

I'm trying to move a WordPress Database from one server to another. I've done this a few times with other sites and servers and I use Sublime to do the find and replace and I've had no issues up to ...
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1answer
37 views

Why do mass updates to post_content shows in front end, but not in edit screen?

We had someone migrate several blogs in Movable Type to Wordpress recently, but we just realized they missed some of the content that was in a database field in MT labeled *entry_text_more*. For ...
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1answer
514 views

“MySQL server has gone away” since update to 3.8

I have a WordPress install on a dedicated server with decent memory (upwards of 8GB). The WordPress install includes many plugins - 50 active plugins. Most important to note is the WPML plugin to ...
1
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1answer
373 views

Successful or Error Message after running mysql code in functions.php

Just for this article, suppose there is a code that I want to run on my WordPress' functions.php file. It's a code to delete mysql table on my database. For example, here's the code: $wpdb->query( ...
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0answers
89 views

Unable to install WordPress on Plesk 11 Windows based machine

I am trying to install WordPress on a Windows server. The install was not able to create wp-config.php itself, so I created it and put in the database values. Now I get errors like this table doesn't ...
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1answer
20 views

optimise SQL wordpress call

I have this code : $querystr = " SELECT * FROM {$wpdb->prefix}posts INNER JOIN {$wpdb->prefix}postmeta m1 ON ( {$wpdb->prefix}posts.ID = m1.post_id ) INNER JOIN {$wpdb->prefix}postmeta ...
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1answer
79 views

Query Wordpress database by registered date and role

I would like to get the display name and email address for all users who have registered to my multisite today with the role of subscriber. It needs to be an SQL query as it's used outside of the WP ...
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0answers
219 views

SQL Query to select post thumbnail, post title, post content from a category

I use the db of my wordpress blog to develop a mobile application in Java. For this, I need the SQL query to display the thumbnail of a post, the title and the content in a selected category. I think ...
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1answer
98 views

XML RPC post produces immediate revision with odd post_date_gmt

I am sending a post to Wordpress 3.8 with XML RPC. Here is the raw XML being sent to wordpress: <?xml version="1.0" encoding="UTF-8"?> <methodCall> ...
5
votes
1answer
273 views

Slow wp_term_relationships query

I'm running a large WP instance (currently has 28,000+ posts in custom types) and have been experiencing some odd slowdowns. Upon analyzing the MySQL slow query log, one of the problem queries is: ...
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0answers
26 views

After importing data to new DB with new name, receiving a constant MySQL warning

I've just spent several hours trying to understand why a WP install is really slow, I tracked it down to the database and realised everything in the db was just running super slow with the debug bar ...
0
votes
1answer
52 views

Size article thumbnails and retrieve them directly from database

I've integrated the Wordpress database directly with my .NET application. What I want is to set the featured image of a post. This featured image must be maximum 800pixels wide, and automatically ...
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1answer
37 views

Convert Custom Taxonomy Posts to Normal Posts

Previously I was using a custom taxonomy based theme, Flavour. However after some successfull years with that theme, I tried with a different theme. However in the new theme, I am unable to see or ...
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0answers
65 views

Self-added mysql column as custom fields value

I am trying to add a value from a column that I've added myself to the wp_posts table as a custom field. So right now there is a column called 'shares' which holds an int value and I want that int ...
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1answer
482 views

wpdb prepare syntax

$arr = []; array_push( $arr, 'wp_table', 1, '2013-12-24', 3, 'NULL'); $sql_prepare = "INSERT INTO %s (id, datea, one, two) VALUES (%d, %s, %d, %s) ON DUPLICATE KEY UPDATE one = VALUES(one), two = ...
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1answer
369 views

How to return count of custom post type posts with a specific custom field value via $wpdb?

I am trying to get count of a custom post type with a specific custom field value from wpdb without doing a WP_Query or get_posts since I think it is more resource efficient and I need to return 10 ...
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0answers
54 views

Why does my WordPress front-end categories plugin gives me a database error with my SQL syntax?

A few years back I created a plugin based off of an answer here: How do I create a way for users to assign categories to a post from the frontend? Here's a pastebin of the modified plugin: ...
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3answers
1k views

Convert wordpress posts to products in Woocommerce

Is there anyway I could convert all the posts e have right now on our Worpdress install into products using some mysql query or something like that?
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1answer
496 views

Create an user on external database

I have wordpress site and a project management system from codecanyon. Here is the link I have disabled registration for users in project managment system, only login is enabled. I need to make users ...
0
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1answer
188 views

$wpdb and MySQL Create Trigger

Do $wpdb's methods not accept a MySQL CREATE TRIGGER query? I tried it with $wpdb->query( $sql_trigger ) over and over again without success. Throwing the create-trigger-query on phpMyAdmin the ...
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0answers
121 views

How to track a users progress through pages by inserting data into Wordpress Database?

My website users can learn British Sign Language through Video Tuts, Quizzes and games etc. I would like to track the users progress through the pages of the course and add that data to a Wordpress ...
0
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1answer
152 views

SQL Query to Get list of all users along with their blogs

How to query for a list of users along with the blogs in which they are member of in a multi site wordpress installation. For example, I need the results as below user domain abc xyz.com abc ...
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2answers
112 views

Get post by ASC from custome field DATE picker

i want to custome post by ASC. i have some add some post in bachend one of the field date picker. i want to post by date which i set in date picker field <?php $args = array( ...
0
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0answers
73 views

MYSQL Join on meta key value?

I have very basic mysql knowledge (able to update and join tables) and am using phpMYAdmin but I am trying something just beyond my level now. I have looked at many other questions and answers but ...
0
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2answers
46 views

Help setting up a sql query

I need to list out specific custom field items that contain an associated custom field entry. For example, the custom fields are named "type" and "food". I would like to list out all of the breakfast ...
0
votes
1answer
18 views

add_blog_option blog ID

In multisite I run add_blog_option and look at the row in mysql wp_options. The record is there but I do not see a field for the blogID. How does the wp_options relate to the specific blog?
0
votes
1answer
671 views

How to import database table as custom post type and custom fields?

I have a sql table that contains vehicle information. When I import the database table to my WordPress website, I need the information to be imported as custom fields for a custom post type. For ...
1
vote
1answer
44 views

Wordpress not reflecting changed of the database

my problems started when I moved my website to another folder (from /dev/ to /). I have gone through the whole database in order to change all the hardcoded /dev/ into / but I still notice that ...
0
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1answer
48 views

Restore Cforms II Form Presets

I have a client who had to reactivate the cforms II contact forms plugin. It refused and gave the following error: *Fatal error*: Cannot use string offset as an array in ...
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0answers
98 views

Why are my WordPress post queries so slow?

I'm working on a larger WordPress site and trying to troubleshoot why my site is so slow. I've installed W3 Total Cache and have run multiple page speed and plugin tests with no luck. What's strange ...
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1answer
666 views

Can I use MariaDB instead of MySQL in wordpress?

Is it possible to use MariaDB instead of MySQL in Wordpress installation? If possible: how do I do that? Is there any drawback or complexities?
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1answer
245 views

Unique Post Meta Values

I want to use Unique IDs like YouTube video IDs and WordPress post IDs in a custom field 'youtube_id'. I just created a front-end add post page and want to check if 'youtube_id' used or not used in a ...