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

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544 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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1answer
602 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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2answers
2k views

Mass convert MySQL data entries into custom post type?

I have a MySQL table with about 500 rows of entries each containing: title, author, series, and series number. Would anyone know how to mass convert the data into (1 entry per post) custom post type ...
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1answer
4k 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
187 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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1answer
4k 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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1answer
22 views

Performance when getting post meta for post retrieved by meta value

I have a meta key which I would like to use to get all post meta data for a post where that one meta key matches a specific value, in one go. Example: Post 1 has a meta_key called unique_number. I ...
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1answer
34 views

UPDATE on SELECT results. A SQL query to swap Author with Meta Box value

I inherited a project where, for some reason, the previous developer make a custom post type for authors and a custom select listing all those authors cpt titles in the post edit screen. This led to a ...
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1answer
33 views

Help with a $wpdb MySQL Query

I'm wanting to expand on the following query to look at multiple meta_key and meta_value values that have been created with the Advanced Custom Fields (ACF) plugin. e.g. meta_key 'colours_%_colour' ...
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1answer
67 views

Wordpress Database lost auto increment

After rolling back a Wordpress database to a backup version it seems that all the tables lost their auto_increment on the primary key columns. I read on another post this could be to do with InnoDB ...
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1answer
19 views

Can I transfer a mysql database to another site?

I've been playing around with WP for about 2 years so I know my way around, but I'm kinda new to working with databases. I've been making sites not relying on a database too much. However, I have a ...
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0answers
67 views

Visual/Text Editor displays blank pages in WP-Admin- but HTML on client side displays correctly

Theme: Hemingway, Twenty-Sixteen Host: Bluehost Browser(s): Safari, Chrome OS: OSX El Capitan 10.10.5 (14F1605) Website When I try to "Edit Page" visual editor screen is blank, in both Text and ...
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1answer
25 views

Function causing the loop display posting more (empty)

By using the function: add_action( 'pre_get_posts', 'add_custom_post_types_to_loop' ); function add_custom_post_types_to_loop( $query ) { if ( is_home() && $query->is_main_query() ) { ...
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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 ...
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0answers
33 views

How to translate this mySQL query to $wpdb query

I'm having trouble recreating a query from straight mySQL to $wpdb compatible. SELECT meta_value FROM `wp_postmeta` WHERE meta_key = 'review_rating' AND meta_value = 5 AND post_id IN (118,117,116,...
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2answers
63 views

$wpdb select all meta for each post

I'm running the following query trying to get the data and associated meta data of a huge number of posts: SELECT wp_posts.post_title, wp_posts.post_date, wp_posts.ID, wp_postmeta.post_id, ...
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1answer
78 views

Wp query show post by author name or post title or post content

I have to create a search query which allows me to filter all posts where author name and post titles or post content has the word from search textbox. So if i search wordpress it should list all the ...
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0answers
37 views

MySql query to get posts with all meta and terms

I'm trying to figureout a way to get all fields from wp_post with all of their custom fields and categories in one mysql query. So in one row of the result I should have post fields with their custom ...
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0answers
28 views

Trouble Migrating all data blog from Wordpress.com to Wordpress.org

I'm transferring a WordPress.com blog to a new WordPress.org website but I'm having trouble transferring everything. I've gone through the usual WordPress tools - export XML file, import using the ...
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1answer
57 views

$wpdb to insert html form information

I'm trying to insert posted variables from a form. When I shorten the amount of variables I'm inserting it will sometime pass the information in my mysql database. Once I continue to add on ...
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1answer
34 views

Enabling plugin failed because MySQL user do not have CREATE permissions

Has anyone else had this problem? I'm trying to enable SearchWP plugin (but i don't think this is that specific plugin problem, but maybe my settings?) but it gives me the following error: Please ...
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1answer
86 views

Database: Custom table: sprintf value for DateTime column

I am creating an insert query following the insert example on the wpdb class reference. What sprintf like placeholder should be used for a DateTime column on a custom table? Allowed placeholders seem ...
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0answers
106 views

inserting a post from an extern php file but post content doesn't show on wp site

I'm doing a php file that insert post's on my wordpress site. I'm filling all the fields in wp_posts, but the content doesn't shows on my wordpress site. I wonder if it's because the categories are ...
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0answers
99 views

Proper usage of $wpdb->update()?

I am trying to update my custom table in Wordpress using the following php code but still no success: $tablename = "wpfeedback"; $data = array( 'mark' => $mark, 'comment' => $...
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0answers
145 views

Manually query posts by taxonomy with MySQL

I'm trying to query posts from the WP database with the category uncategorised, while also joining the post meta table, but I can't get it to work. I get an empty result. This is my query SELECT * ...
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0answers
23 views

Regarding “Insert query error” in wordpress

I am getting "Insert query error" in my WordPress eCommerce website when I click on the place order button. My error is: Insert query error - Table 'i1503672_wp6.wp_wa_product_orders' doesn't ...
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1answer
32 views

Unable to set a default serialized array using dbdelta()

I am trying to set up a table with dbDelta() and one of the columns will have as default a serialized array with predefined values. The issue here is that dbDelta() explodes the query using ...
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0answers
28 views

How to add a private user page populated from sql?

I have taken over management of a Boy Scout website for around 75 kids. The site is a vanilla WordPress site and has no access control (other than admin). I would like a scout/parent to be able to ...
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0answers
298 views

Slow SQL_CALC_FOUND_ROWS Query

We are experiencing very slow performance with queries that use SQL_CALC_FOUND_ROWS within the admin section of WordPress. We currently have about 125,000 posts on our site and use Varnish to cache ...
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2answers
56 views

Database query works fine outside Wordpress

This is my code <?php global $wpdb; $rows = $wpdb->get_results("SELECT `submit_time` AS 'Submitted', max( if( `field_name` = 'Salutation', `field_value` , NULL ) ) AS 'Salutation', max( if( `...
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0answers
135 views

mysql_real_escape_string() vs. esc_sql() in WordPress

Does mysql_real_escape_string() and esc_sql() in WordPress both do the same thing? I tried the following: $fetch_row='<p>And again for single posts</p>' echo mysql_real_escape_string( $...
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1answer
256 views

Term and sub term from custom post type query

I have created a custom post type and taxonomy for a goods catalogue for a hire website. This works fine. I am trying to generate a report that lists all items and their category and sub category. I ...
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1answer
245 views

Connect to MySQL using Windows Authentication

Is it possible to have Wordpress/PHP connect to my MySQL database using Windows Authentication on IIS? I can connect just fine using the normal MySQL command line utilities. I get the following error ...
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1answer
416 views

Can I run multiple queries with $wpdb->prepare?

I have a query(actually multiple queries) that runs perfectly in phpmyadmin, (I've also tried get_var in place of get_results, but I think I might need an alternative to $wpdb->prepare. How can I ...
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0answers
209 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 50,...
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0answers
436 views

SQL query equivalent to WP User Query

I have the following WP user query code: //Get all users sorted by whatever $sorted_users = new WP_User_Query(array( 'orderby' => 'meta_value', 'meta_key' => 'satisfaction_rating', '...
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1answer
391 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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0answers
106 views

MySQL query to mass change role of users

I'm looking for a MySQL query to achieve this purpose: Change the role of users that never posted and have registered before at least 60 days. The role to be changed to is a new role to be created ...
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1answer
138 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 ...
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0answers
291 views

wpdb custom tables without plugin

I am using custom tables, with $wpdb, trying to perform basic queries at the moment. I can't find anything on manually creating tables then using them with $wpdb, everything is plugin related. I ...
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1answer
42 views

Obtaining user table for one site on multisite set up

I'm trying to select only users that are registered for a specific site on my multisite set up and see that the table for the users has collected everyone that is on the network. Is there away I can ...
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0answers
181 views

Slow wp-admin due to “SELECT DISTINCT post_mime_type FROM wp_posts WHERE post_type = 'attachment'”

The media library on a large site is slow in wp-admin. I did some research by looking into slow queries in the sql and found that this query is causing the slow response: SELECT DISTINCT ...
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0answers
30 views

How to migrate the posts from an old custom legacy blog to a new WordPress website?

I have to migrate the posts of a very old custom legacy blog made in ASP (the posts are stored in a MySql table) into a new WordPress blog. So I need your help to find the smartest solution to do it, ...
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1answer
397 views

No wp-config.php file on local install of wordpress - site still displays

I've installed Wordpress locally using XAMPP and this step by step guide by Sunny Johal(Fifth post down on that page). The first time I used the step by step and ran all 3 of the SQL codes(UPDATE ...
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0answers
507 views

Slow meta_query with about 4 milion record on wp_postmeta

Although optimized wordpress all the way but still very slow as follows : I have converted from LONGTEXT meta_value field to TEXT Then create INDEX for this field ALTER TABLE wp_postmeta ADD INDEX ...
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1answer
303 views

Delete duplicate rows from wordpress database where a column is duplicate in phpmyadmin

I have a wordpress table like so (phpmyadmin and MySQL) | id | meta_key | meta_value | +----+-----------+------------+ | 1 | import_id | abc | | 2 | import_id | abc | | 3 | ...
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1answer
297 views

$wpdb->wp_users returning empty value for

I have a code Example: function custom_func(){ global $wpdb; $wpdb->flush(); //tried with and without this line $getTest = 'SELECT * FROM $wpdb->wp_users LIMIT 1'; $...
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1answer
313 views

MySql Query very slow

I have a problem with a query on my website. When I load the page it is incredibly slow and only after over 12 seconds the content starts showing. I have installed a debug plugin and found the query ...
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0answers
135 views

Calculate average crossing post categories

In my WP database I have some posts i the category hotels and some other posts in the category visits. In the posts (placed in the category visits) there is two meta_fields ( rating and placeid ) ...