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

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Why does dbDelta() not catch MysqlErrors?

From what I can see, dbDelta() is designed to suppress database errors that occur during its operation. Generally speaking, this seems to be the case, but New Relic is still reporting MysqlErrors ...
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65 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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96 views

Separate DB by yearly archive of Wordpress

I have large DB of blog post I already export it by year and wanted to make archive by year doing it on subdomain, like 2012.mysite.com I stack looking for solution on internet, I wondering if their ...
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283 views

How to optimize 'select found_rows()' query? Several 'high load average' alerts daily

I have 5,000 regular posts, 6,000 posts in one post type and 2,000 posts in another post type. Needless to say, that has made the wp_posts table quite large. Not to mention, I have custom taxonomies ...
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2k views

How to get a Google maps SQL->XML->map marker tutorial to work in WordPress

I have been trying to figure out what is wrong with my code for a couple days now, and I can't seem to crack it. I am trying to follow this tutorial I tried all three of the suggested methods to ...
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111 views

Custom order for Mysql array

I have a Page of Posts, each post has a Custom Field "expired" which contains a date in the format YYYY-MM-DD which is used to order the posts. This date is used for a script that tells the visitor if ...
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18 views

Slow Wordpress admin panel with a total query time of 1664ms

I have a problem with my wordpress website, he is realy slow, i installed a debug bar to check queries in the home page, the result is like: 202 queries, and a total query time equal to 1665ms The ...
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20 views

retrieve wordpress post-meta using php not wordpress functions

I am trying retrieve wordpress postmeta USING PHP not WORDPRESS functions, it needs to be in php no wordpress functions please. this is what I have: $resultat = mysqli_query($con,"SELECT * FROM ...
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18 views

WP_Query hit max joins… How else can I build a search function that uses custom fields?

I'm trying to search a custom post type of "Properties", while doing so I'm also searching the custom fields using multiple (anywhere from 5-30) meta_queries. The problem is Wordpress or MySQL is ...
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22 views

Get author posts count after excluding a category

I want to display the posts count of each author, but posts that are in some categories should be excluded from the count. I tried doing this with count_user_posts( $user->ID ), but this function ...
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45 views

How to make an sql query to exclude everything but custom taxonomy terms in table wp_terms?

Problem Summary: I am trying to write a SQL query that returns only my custom taxonomy terms, but the table (wp_terms) contains all of the terms, even ones that I don't want (such as category terms, ...
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67 views

How Do I Delete WordPress Posts Older Than 400 Days, From A WordPress Category

I have tried the following phpMyAdmin query in an effort to delete all posts, from wordpress category 378, that are over 400 days old. delete a,b,c,d FROM wp_posts a LEFT JOIN wp_term_relationships b ...
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64 views

How Do I Merge Categories With phpMyAdmin

I tried the following phpMyAdmin query to merge my category 112747 into my category 112748: UPDATE wp_term_relationships SET term_taxonomy_id = 112747 WHERE term_taxonomy_id = 112748; It did not ...
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1answer
288 views

wpdb->insert multiple record at once

So after I have created the table 'settings-table' i want to add a couple of records to it. This is how I want to do it, not the best way, so I need a better way to do this because I will add more ...
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368 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 ...
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1answer
31 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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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
46 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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444 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 ...
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1answer
517 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 ...
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1answer
216 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 ...
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1answer
69 views

Get data from 3rd table

I have 3 tables: wp_posts wp_metadata users When I get my query from wp_posts I'm using LEFT JOIN to get the data from the wp_metadata, but how can I get a value from the 3rd table users? ...
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68 views

Copy url from post_content to custom field

I'm new to MySQL so I don't know if this is even possible. I would like to copy a url that's in post_content to a custom field. The url is variable and it looks like this: ...
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1answer
37 views

Extending the database

I'm trying to add an extra column to the comments database which will store the user ID of the post/page author. This is part of a plugin which will display new comments in reply to either a post or ...
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57 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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50 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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69 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 ...
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87 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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59 views

Display image in descending order from database table

I have used woo commerce plugin ,I am trying to display images in descending order by order_id in word press dashboard on orders tab.I tried lot's but not getting any idea how to do that.Bellow is my ...
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19 views

Display Title by tags ( mysql )

I want to display in a sepparated page all the titles ( with link ) and a short description ( first 30-40 words from an article ) by a specific tag. For example, i use a "SPECIFIC TAG" on all my ...
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96 views

Export One Gravity Form Entry to Multiple Rows

I have a Gravity Form to register for a class. One submission could register multiple people. Gravity Forms, itself, displays and exports this as one entry with multiple columns for the different ...
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87 views

why is $wpdb->update() causing a DB error from within wp_set_password()

I have a page-template for my custom theme that enables the user to reset their password from the front-end. I'm calling wp_set_password() and everything runs but the password is not changed in the ...
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65 views

How to reconnect to the wordpress database after the connection has timed out

I am writing a plugin that uses the database a lot to store product details from the Amazon Product API and I'm getting a lot of MySQL Server has gone away errors. The server that I'm working on is ...
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223 views

Custom Post Type or Custom Tables?

I am trying to build an application that takes 2 pieces of input from a user and saves it to the database. This is how users enter these two pieces of input; this form will be displayed using ...
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234 views

Insert & Upload image into data base in wordpress without using media library & plugin?

Here i am trying to insert image into WordPress database with custom code but i am not able to insert and uplode i am very new to wordpress any body have any idea how to do it?Bellow is my code with ...
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49 views

Unable to access MySQL in Powweb

I wanted to retrieve my data in powweb's mysql but I get an error: Warning: mysql_connect() [function.mysql-connect]: Access denied for user 'snursing'@'walcustweb1601.int.bizland.net' (using ...
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56 views

Delete junk text from all the post using my sql command

Because of an autoblog plugin, my site has got junk text in every post! The text format is as below .. funny-pictures/funny-pictures-of-the-day-30-pics/attachment/funny-pictures-41-2/" ...
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32 views

Wordpress Update Links

I just need a little help in WordPress query or a plugin which can update all internal links used as hyper link or directly with pages to WordPress normal url i.e ?page_id=69 I have created a website ...
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90 views

featured image not showing up with mysql_connect

i noticed a certain problem with the featured image issue, i had everything work nicely until i added a mysql connection to another database to retrieve certain information, the featured image stop ...
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117 views

One-time bulk MySQL copy post_date values to Advanced Custom Field (date field)

Disclaimer First of all let me say this is probably mostly MySQL related and unfortunately I'm nearly a total newbie on database language and commands. The problem Situation is a site running ...
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129 views

Import Excel (or csv) Table with user-data as subscribers to wordpress

i have a tough problem. From an existing database with user-data I need to transfer those users as subscribers to my wordpress database. My user-profiles have various additional custom fields that I ...
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72 views

NextGen x Multisite : copy a specific gallery from a main site to a subsite?

I have a wordpress network with 4 sites and i use NextGEN Gallery V1.9.13. On the 2 sites (first and second on network) i use the same galleries. It is a bit waste of hosting space if I need to ...
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44 views

insert records to MSsql database from wordpress

Im currently using wordpress and mysql. But at a click of a button i would like to send say for example a date and time stamp to MsSQL table as well as mysql table is this possible. and what should i ...
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114 views

WordPress 3.6 generating empty database

I wanted to migrate my local WordPress i use for theme development to 3.6, but the generated tables in the database are empty. WordPress creates all tables, but only wp_options is being filled, but ...
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47 views

how to prevent words inside image tags from being update in a sql query via php

I need to update certain words inside wp_posts table (1032 posts in a specific time range) but I would like to exclude some words when they are inside tags like so: <img ...
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199 views

Using mysql queries to delete custom post types based on meta_value

I am trying to create a cron job to run on my server which deletes a custom post_type (post_type = event) from my databse based on a meta_key (st_date) and a meta_value (the date the event took place ...
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80 views

Wordpress post saves until Apostrophe (’) is used

I've installed wordpress onto a fresh VPS with nginx + php-fpm, the installation works fine apart from whenever I post something with a ’ the post ends there. It's looks to be some sort of escape ...
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136 views

Custom query on Wordpress custom table

I am working with a custom table where some values will be inserted or updated if they already exists, I have checked and rechecked the syntax and it seems to be working fine, if I run the same query ...
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0answers
27 views

Dissapered all posts by 2013 year

Dissaperd all posts posted in 2013. There are no posts, images and tags for this year. I've checked it in the phpMyAdmin and find them. But they don't shows in administrtor panel. Any idea? Thanks!
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286 views

Use $_GET with permalinks on page

I'm currently trying to use a $_GET to populate a MySQL query with in a URL on another page within a Wordpress site. URL sample: <a href="http://site.com/file.php?alabama">Alabama</a> ...