SQL (Structured Query Language) is a special-purpose programming language designed for managing data held in a relational database management system (RDBMS).

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WPDB SQL Ignore `post_status` Parameter

I use this SQL statement: SELECT * FROM wp_posts LEFT JOIN wp_term_relationships ON ( wp_posts.ID = wp_term_relationships.object_id ) LEFT JOIN wp_term_taxonomy ON ( ...
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72 views

WP Sql query multiple where clause

I'm trying to get the users that have registered after a specific time (this case $today) and who have the newsletter field true and the account false. This is what I have so far but the result is ...
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54 views

Minimize Performance Issues of MultiSite Large Number of Tables Created

I am deploying WordPress MultiSite and if I get a decent amount of users, I will have thousands of database tables to support all of these sites. I like the idea of consolidating all of these tables ...
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122 views

List of ways to access WordPress database?

I'm trying to get a complete understanding of how WordPress works with databases. I've read the documentation but I'm getting confused by all the different approaches available. So far my ...
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161 views

Bulk update post slugs through database

Is there a way to bulk update permalinks through the database? cause I have like 20k posts and all I want to do is add a prefix to the permalink. I could just manually update but that's too tiresome ...
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1k views

How To Get Some Data From WordPress Database Using WordPress $wpdb Query?

I am trying to get some data from WordPress database tables in a plugin. For that, I am using the below code... global $wpdb; $findID = $wpdb->get_var("SELECT ID FROM wp_posts WHERE post_name = ...
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79 views

wpdb getting avatars and author url

Running an SQL query to pull authors by votes they've received on posts. @bonger helped me out on my first post and helped me get this working great, but I created this new question since it's a ...
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254 views

$wpdb select date range of posts

0 down vote favorite Using this SQL query to sort users by how many votes(meta key) their posts have received. <?php global $wpdb; $results = ...
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336 views

mySQL queries are executed twice on wordpress website

I'm sorry for my english. I'm trying to add some functionalities at my Wordpress website and to do this i have added a function in my function.php theme. The idea is to save in a custom table some ...
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196 views

SQL - Remove All The Users and Create A New User With Admin Role Via PhpMyAdmin

It is very easy to remove all the users and add a new user with administrative role via wp admin panel. But the requirement is to achieve this through SQL. I can trunc wp_users and wp_usermeta table ...
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131 views

phpMyAdmin displays error when importing database

I'm migrating a WordPress for a friend to a different server. I have already backed up all files and was given a copy of the database by the old server admin. The problem is that when I try and import ...
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499 views

$wpdb->get_var - What value is returned when zero records are found?

I have the following code: $queryPermission = $wpdb->get_var( $wpdb->prepare("SELECT Active FROM testers WHERE user_id = '$user_id' ")); ...
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103 views

SELECT from wp_users, get Displayname too

SELECT post_author, count(ID) as amount FROM dbold_posts WHERE WEEKOFYEAR( post_date ) = WEEKOFYEAR( NOW() ) AND post_status = 'publish' AND post_type = 'post' GROUP BY post_author ...
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44 views

How to avoid filling up an array each time I run a WP_query?

I am making a following user system and need some help for retrieving the users ids a user is following. At the moment I am using the following SQL query for retrieving the users ids a user is ...
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259 views

How to SQL query posts IDs by categories AND authors?

I am making a custom WP_Query and I need to come up with a SQL query that gets the posts IDs from X categories and Y authors. Then merge those IDs and put them in an array. I only need to figure out ...
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144 views

What is the point of get_comment_count() if you cannot limit by a comment type?

We are finding that large WooCommerce sites run very slow. Amongst many issues, this one has me scratching my head. WooComemrce stores order notes in the comments table, giving them a comment_type of ...
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118 views

How to optimize multiple insert into wordpress database

I had main file with my plugin and the another file with sql command. In the second file I create two tables and write data to one of them. But I have problem with. In my private computer everything ...
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1k views

How to display data from db in select list [closed]

I wonder what it's wrong in my code. I can't get all of data in column "adres". In result I only have the lest record. Thanks for help. global $wpdb; $result = $wpdb->get_results ("SELECT ...
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91 views

Help me SELECT thumbnail from SQL and use

//MySQL Username $user = "myuser"; //MySQL Password $pass = "mypass"; //MySQL Database Name $database = "mydb"; //Number of posts you want to have appear $numOfPosts = 7; //Setup connection $mysqli = ...
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388 views

Select column name dynamically mySQL Query

$country="USA"; $dr=$wpdb->get_results("SELECT $country FROM wp_shipping WHERE ID=$ids"); I want the above query in WordPress file, where country name is given dynamically but I am not getting ...
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1k views

How to remove in the wordpress database all posts revisions except the last three?

here is the commonly recommended sql command for removing posts revisions and cleaning up the wp database: DELETE a,b,c FROM `wp_posts` a LEFT JOIN `wp_term_relationships` b ON (a.ID = b.object_id) ...
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120 views

wpdb_prepare with multiple or condition

I want to execute a query like this: $wpdb->prepare( "SELECT * ... from ... WHERE ( post_title LIKE '%%%s%%' or post_content LIKE '%%%s%%' )..., $string ); If I do the query with only one ...
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70 views

For a complete backup, is it enough to copy htdocs and export database?

I copied the htdocs via FTP from the server which hosts my wordpress blog. Moreover, I used phpMyAdmin to export the MySQL database. When I move to a new server, can I just create a database, run the ...
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46 views

Wordpress SQL - How to Check for Category?

I'm using the following SQL (wrapped in php) to find posts in a wordpress database: $sql = " SELECT p.* FROM {$wpdb->prefix}most_popular mp INNER JOIN ...
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3k views

Getting value from database table depending on field value

I am using a plugin called formidable which is similar to Gravity Forms in terms of purpose. I have two fields of interest. The first field loads up all the values in the Town column of my ...
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283 views

SQL: Select wordpress posts with given text string and add a custom field to them?

I want to select all wordpress posts that have a certain text string. Then to add a custom field to all those posts. Here is what I figured out so far but it doesn't work INSERT INTO wp_postmeta ...
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128 views

An action hook where a comment meta is updated

By analogy to the hook on post meta update, I use the following code for hooking when comment meta value is updated. My comment meta key is "consider" and can have 2 values: 0 and 1. My Goal is to ...
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76 views

count number of all comments by a user on different (non-repeated) posts

I thank you in advance for your help. I am using Wordpress for about 2 years, but always avoiding SQL inside my scripts and looking for built-in functions to perform my goals. To count the comments ...
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220 views

wpdb prepare sql problem

I have problem with wpdb prepare and sql query. If i run the query directly thru wpdb->get_results it's working fine. Here it is: $alabala_sql = $wpdb->prepare( " SELECT * FROM ...
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140 views

making php value numeric

I used some of this code from this page on Stack Overflow: Using wp_query is it possible to orderby taxonomy? It's about the function to be able to sort a query by a taxonomy value. Although it works ...
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367 views

SQL Bulk Move old posts by one author to another category

I'm looking to move a number of old posts by one author from one category to another category and was hoping someone could help me do this? I figure the easiest way would be through an SQL command? ...
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78 views

How can I get all author written content?

I have a site that needs two different tabs: 1. all author written content (Posts, comments, CTP) 2. all author followed content (categories, taxonomies, other users content) For the first all I ...
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120 views

How do I query for posts by custom meta and those that have been stickied?

I realize how clumsy and inefficient this query is but SQL is not my strong point. I use the following query to pull the latest 8 events from a custom post type called Event Posts. However, I also ...
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203 views

Using color schemes with Color Picker

What I'm doing User interface to change website colors - User can change colors individually (like menu color, footer color, content color), or use color scheme that will change all colors (values ...
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119 views

Print page content with formatting when doing custom SQL query

I guess there's a simple solution for this but couldn't find any. I'm trying to fetch 3 pages and show them on footer. The problem is that every page is shown as text without formatting which means ...
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2k views

SQL query to get posts from multiple categories but not in a category

I need to get the last posts' ID and the post_tile within categories 1 and 2, and exclude those within category 3. It must be SQL, because if I use WP_Query it retrieves too much info and I only need ...
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705 views

Wordpress SQL JOIN query

Hi Im trying to run 2 querys in the same query call. // send the query global $wpdb; $commentQ = "SELECT * FROM $wpdb->comments " . $whereClause . $orderBy; $comments = ...
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87 views

How to delete ALL comments from certain category in Wordpress database?

I'm trying to delete all comments from posts in a certain category in a Wordpress database. The Wordpress database is rather complicated so this must be probably some join of wp_posts, wp_comments ...
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59 views

Return number of items in a table with post id

I am trying to return the number of reviews for a given page id, I have this so far... <?php global $wpdb; $countreviews = $wpdb->get_var($wpdb->prepare("SELECT COUNT(ID) FROM ...
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375 views

Export all posts to import as product items

Up until now, my client has been using WordPress posts as his way to display his products. I now need to export all these posts into a CSV format so that I can format the CSV file and import it back ...
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583 views

SQL Query members by profile fields Buddypress [closed]

i am trying to add a profile based search option into my existing plugin. my plugin already search members by distance within a certain radius and i want to add the option to filter results by profile ...
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237 views

Show array of meta_value in Edit Post Coloum

what I'm trying to do is add a new coloumn to Edit post page (done) and in that coloumn show data taken from a set of custom fields (partially done). This is my code (I use it as a plugin so it ...
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1answer
54 views

post id not displaying

I have used this code in header.php ### get the author info global $current_user; get_currentuserinfo(); $authorid = $current_user->ID; ### get the last post id using author id ...
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2answers
310 views

Fetching review value using wpdb class

I'm generating an XML file using PHP for a website where they review tech products. In the XML file, I have to display the rating of products. For rating purposes, I'm using GD Star Rating plugin. ...
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1answer
594 views

Remove password protection from all posts

So I messed up my blog (QBobble). I had an SQL backup, fortunately, so I reinstalled Wordpress, and imported my SQL database. Unfortunately, it password protected all of my posts. I know that I can ...
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3answers
135 views

quotes problem in very simple sql

I just simply want to execute a SQL sentence inside of a post (i am using EXEC-PHP widget for that). The problem are the quotes when i want to do something like $my_name='hello' "select * from ...
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63 views

Exporting by table

I am using PHPmyAdmin to move a site. My site is too large to use the single file export/import method. (I know how to do it, it works fine on smaller sites.) It seems the only thing working for me ...
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75 views

How can I get posts from 9/13/11 to today with SQL? [closed]

I have been working with a client to redesign his site and we are at the stage where we are going live, except I'm running into a little problem. Time is of the essence, as the deadline is mid-day ...
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190 views

Assign a list of categories with a parent category

I imported hundreds of locations and other categories. Now I have a list of locations in categories to which I would like to assign the "Location" category as its parent. I have tried sql but the ...
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378 views

Wordpress Categories: Function using custom SQL to return array of specific category IDs

I'm developing a custom theme which uses categories for positioning, all of which begin with an underscore (e.g. _position1). I have an SQL query as below to get a list of these categories (those ...