I am using WordPress 3.4.2 for one of my site and currently it has 38,251 tags Now i want to remove all Tags from my site, so which way will be more safe to truncate every tags my site has. 1 Answer 1 MySql DELETE syntax is not very different fiom SELECT, so you can … Read more
I often see people are using Delimiters. I tried myself to find out what are delimiters and what is their purpose. After 20 minutes of googling, I was not able to find an answer which satisfies me. So, my question is now: What are delimiters and when should I use them? 4 Answers 4
How do I gee the numbered pagination of custom wpdb result? below code will show one latest post from each authors in the site. I want to show 20 posts per page with a numbered pagination. $postids = $wpdb->get_results( ” SELECT a.ID, a.post_title, a.post_author, a.post_date FROM $wpdb->posts a JOIN ( SELECT max(post_date) post_date, post_author FROM … Read more
I want to begin writing queries in MySQL. show grants shows: +————————————–+ | Grants for @localhost | +————————————–+ | GRANT USAGE ON *.* TO ”@’localhost’ | +————————————–+ I do not have any user-id but when I want to make a user I don’t have privilleges, also I don’t know how to make privileges when even … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. We don’t allow questions about general computing hardware and software on Stack Overflow. You can edit the question so it’s on-topic for Stack Overflow. Closed 8 months ago. The community reviewed whether to reopen this question 2 months ago and … Read more
I had asked a question earlier, on getting post-thumbnails from another WP-site. There, the awesome Mike coded a SQL query whose results are then passes on to a PHP array. The piece of code from that answer that I want to modify is this. $post_urls = $wpdb->get_col($sql); if (is_array($post_urls)) echo implode(“\n”,$post_urls); Now the array holds … Read more
For reasons I can’t go into right now, I’m creating a form that will allow users to change their passwords for WordPress by entering their current password and then entering the new password. I want to do a databse lookup to see if the password they entered was the correct one already stored in the … Read more
CREATE TABLE foo SELECT * FROM bar copies the table foo and duplicates it as a new table called bar. How can I copy the schema of foo to a new table called bar without copying over the data as well? 4 Answers 4
Here’s how I do it: Table names are lower case, uses underscores to separate words, and are singular (e.g. foo, foo_bar, etc. I generally (not always) have a auto increment PK. I use the following convention: tablename_id (e.g. foo_id, foo_bar_id, etc.). When a table contains a column that is a foreign key, I just copy … Read more
I have hundreds of art images in my WP media library, each of which I want to convert into a woocommerce product, and set as featured image of that product. Rather than manually adding new products and setting featured images, which would take days of repetitive work, is there a way to do this automatically … Read more
