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

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Split WP install between 2 databases?

Is it possible for Wordpress to work from two databases? The reason I ask is that we're approaching our 100mb limit for database size on our host (1and1) but have up to 100 databases, so what I was ...
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1k views

Tags to Post-ID mysql query. Tag Search

Im trying to implement a tag-based search. When i specify certain tags, tagged posts will be searched and the post-id will be displayed that matches the searchcriteria. Currently it only works for a ...
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379 views

MySql database help for a plugin

I am using a WordPress plugin called MyReview but I want some changes to it. That plugin has feature to review posts, where users will come and give star ratings to the post according to categories, ...
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500 views

if statement on database query

Part of a voting script I'm working on: I'm checking a custom table in my WP database to see if a user already voted for a post by checking the IP address and the post id. If the user's IP already ...
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34 views

WSoD being caused by this piece of code

This is a function I'm writing which is supposed to post an input along with some other information, to a database. As of right now, activating the plugin produces a WSoD, when the function is removed ...
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27 views

Moving test theme to live site without mySQL error - how? [closed]

I have installed a wordpress theme on a hidden test site and made some css/design changes. How would I move this to my live site? Sadly I screwed up some of the PHP/MySQL stuff when trying to copy ...
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104 views

Add “Category” to Mysql Query

i need your help :) I've made this custom Mysql query on WordPress: $querystr = " SELECT DISTINCT meta_value FROM $wpdb->postmeta WHERE post_id IN( SELECT DISTINCT ...
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311 views

wpdb insert and boolean fields

I'm preparing an insert query like this: $wpdb->insert('table', $data, $format); data array will be: $data = array_push($data, 'resp' => true) problem is, what $format shall i use for a ...
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185 views

Single meta_query query using OR instead of AND in request's WHERE statement

I want the native WordPress search input to search metadata in addition to its standard title and content search, however setting a meta_query adds an AND clause to the request when what I need is an ...
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47 views

How to find meta entries with their posts missing via SQL?

I'm looking to write an SQL query to do the following: Select all postmeta rows where the meta_value = a post id that does not exist. For example, postmeta meta_value may equal 235. Usually this ...
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38 views

I want to select the from values from database in WordPress? [closed]

Here is my code: $sql = 'SELECT * FROM ' . $wpdb->base_prefix . 'item WHERE uname = "'. $_POST['login_name'] . '" '; $result = $wpdb->get_results($sql) or die(mysql_error()); foreach($result as ...
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2k 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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47 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 ...
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816 views

Site running slow on new server?

I recently uploaded a website to a new 123-reg server on a single WP installation (www.moseleycoachsales.co.uk). I had developed the site on my own hosted multisite environment ...
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2answers
797 views

how to refresh wordpress permalink settings? (without admin panel)

I changed permalinks in wp_options table in database and I'm getting 404 on every post. Everything works fine after I log in into the panel and click "save settings" on permalinks options page. How ...
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35 views

Migrating from Existing MySQL Setup to WordPress

I currently have a database with the following schema: Table: Articles Columns: ID, Title, Author, Content Table: Authors Columns: ID, AuthorName, EmailAddress Table: Categories Columns: ID, ...
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620 views

SQL query to update post_date (one post = one single date & time)

I have 120 posts of one category ready for my wordpress blog. For the moment, posts are drafts and I don't want to schedule them manually. I want to publish them like this: 4 articles each day from ...
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2answers
395 views

Connect another DB and fetch records from some tables

I want to connect with another wp db & then fetch records from new connected db then close that db. I follow How can I connect to another WP database and use WP_Query? but after connect to new db ...
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282 views

Mysql query and order meta value

I made a mysql query to WordPress like this: $querystr = " SELECT $wpdb->posts.* FROM $wpdb->posts, $wpdb->postmeta WHERE $wpdb->posts.ID = $wpdb->postmeta.post_id AND ...
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797 views

Error establishing database connection - high traffic?

I have a WordPress 3.5.1 site that's getting a little bit of traffic (80 concurrent visitors, ~5 clicks/pageviews per second). The site runs fine until it spikes to ~85 visitors. There are usually 4 ...
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2answers
2k views

MySQL Syntax Error upon restoring database from backup [closed]

Performed a bad import to my Wordpress install and decided to restore from the mqSQL backup (full export) I had made minutes earlier. Dropped all tables in the database and then did an import from my ...
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79 views

Pushing stored procedure to a multisite database in WordPress

I am given a WordPress multisite and need to extract information from the site. I have written a stored procedure that recursively builds a tree relationship for posts of a certain kind. Now I am ...
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252 views

Custom MySQL Query with logic

I have wp e-commerce plugin installed and custom building custom global search My query looks like this SELECT * FROM aka_v_posts LEFT JOIN aka_v_postmeta ON aka_v_posts.ID=aka_v_postmeta.post_id ...
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87 views

Delete all one-word comments

I'm trying to delete all wordpress comments with only one word. I found this mysql query to delete all comments at once, but that's not what I want to achieve: DELETE FROM wp_comments WHERE ...
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941 views

wpdb->prepare function remove single quote for %s in SQL statment

I am using the below wpdb->prepare function in a sql statement. I am passing in several variables some field names and some values. When I try to use the %s for the field name it puts single quotes ...
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165 views

How to simultaneously access the same MySQL database in the main column and sidebar of Wordpress?

I've wrote some basic custom PHP code for my Wordpress site. The code basically access a MySQL database (a different database from the wordpress database) and displays the information. In addition to ...
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670 views

Help with WP_Query - Too many mySQL queries

I need some kind of help with wp_query. Am I doing something wrong? I am getting a lot of mySQL queries, while building a new theme. My WP_Query is: <?php $args = array( 'post_type' => ...
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149 views

how would I create a custom query to get all users, and a related post based on a postmeta field?

I have about 50 users. Its pretty easy to list them all. However they are related to a special custom post type through a postmeta field called wpp_agents. So I need to list Users, but also the ...
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1k views

mysql query from wordpress page using custom table

I want to a mysql query that matches a page title. Not sure of a better way to accomplish this task, but I am stuck. This is my basic test code. <?php $page_title = wp_title(''); echo ...
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553 views

How to split the a table in database?

Is there any option to split the tables in more tables in different databases? The problem is that my the wp_posts table is to big and it takes a lot of time to show in the Dashboards... (more than 20 ...
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322 views

Too many pages causes Wordpress admin to be unusable

We have a Wordpress website that now has around 9k pages in it after an import of many location targeted pages. The frontend runs perfectly fine and there is no performance damage (after I replaced ...
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1k views

Accessing WordPress MySQL Database via Data Connection in Visual Studio 2010 using C#

So I've Googled and followed countless tutorials, read documentation on MySQL, Visual Studio, WordPress, and Plesk. I try to leave posting on this site as the final option and it seems it has come to ...
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2k views

Help with MySQL to $WPDB query

Here's my issue. I have three tables I'd like to query - states, points, and state_points. States contains stateid, and name. Points: pointid, pointlat, pointlng. State_points: Stateid, Pointid. ...
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721 views

Using GROUP CONCAT in my-sql query with wp_usermeta table

I have a query that is meant to return user details from Wordpress tables. It would be fine if I was just SELECTing column names that I want, but within Wordpress there is a usermeta table which has 2 ...
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569 views

wpdb Custom Meta Data with 2 conditions

This is one of those problems that I've spent way too much time on, and there is probably a VERY simple solution that I am missing. Any help would be greatly appreciated. I am trying to populate a ...
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3answers
2k views

Help With MySQL to WPDB Query Conversion

I have a problem. I've got a PHP script that tracks individual file downloads, and I'm looking for a way to display that number in individual posts. I've got a half-baked solution- a plain ol' MySQL ...
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333 views

Query to import data from one MultiSite table to another (pages/sub-pages)

I'm updating a standard install with about 500 (eek!!) pages to a MultiSite for easier sub-site management. I basically want to take a sub-page and its children from the root site and copy the data ...
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518 views

MySQL Query To Select Post By Postmeta

I have two custom post types, type1 and type2. Type2 posts have a postmeta called postID that is the ID number of a post in type1. When showing type1 in single.php I want a mysql query that selects ...
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128 views

MySQL Rank & $wpdb

I need a rank column in my MySQL statement, for example: SET @rank=0; SELECT @rank:=@rank +1 as rank, player, points FROM my_table Is there a way to use the above with $wpdb? WordPress doesn't ...
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228 views

Help running a MySQL query to update all wp_#_options tables in a Multisite install

I'd like to run a query through my WordPress database that updates the blog_public values on all individual sites. I'm stuck on how to have the statement look for wp_2_options, wp_3_options, etc. I ...
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496 views

User management system similar to wordpress one?

I am in very big need of a user management system just like the one that wordpress uses but without being blog related. I need to be able to manage users and apply certain privileges depending on user ...
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496 views

Importing Geo data into wordpress database

I have a listing wordpress site and want to integrate geo data into the Wordpress MySQL Database for custom search functionality I want to utilize different aspects to create different things... ...
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1answer
3k views

How to Mirror WordPress database from Remote server to Local server

Before I embark on this tutorial from the WordPress Codex on mirroring a WordPress database from a remote server to a local one. I'd like to get some feedback from SE users who have successfully ...
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1answer
1k views

SQL query to delete comments older than 90 days?

I'm working on a site that has 150,000 comments with an obvious hit in performance; is there an SQL query that can delete all comments older than say 90 days? They're not spam comments, and they are ...
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3answers
183 views

Recent comments from my blogs only

I'd like to create a list of recent comments, specific to each user on my network (Buddypress). My best idea so far is pretty lame: DB Query on all user's blogs, compare dates, select top 10 by date. ...
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3k views

SQL query to select posts from multiple categories

I have built a query to select posts within a category. Works fine. But when I choose to add a secondary filter to exclude a category, the query return the same result set, as if the secondary ...
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29 views

Set Display Name to first and last name (phpmyadmin SQL Query)

I'm trying to change all the users Display Names to be their first and last name. I have looked into a number of plugins and wrote my own PHP to try and accomplish this however the site has over ...
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91 views

MySQL 5.5 upgrade 'broke' Wordpress [closed]

I upgraded from Debian 6 to 7 and during the upgrade, MySQL asked for new root password, I was little confused but typed it anyways. I guess this created a new database called 'mysql', because now ...
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90 views

How to search for posts IN OR title OR content OR author?

I have looked at many posts and questions regarding searches for custom meta, but I want to search for posts and include those if the search query matches an author name. I have come up with the ...
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65 views

How to prevent/delay MySQL connections when an object cache is used?

We are using an object cache backed by memcached, however I think that WordPress will still connect to MySQL on every page load, which shouldn't be needed if all queries can be handled by the object ...