![]() The following search and replace and delete WordPress-related queries for MySQL are included: I’ve some warnings below, but trust that even someone with little coding experience can do this, if you are very, very careful and take precautions. The best scenario is that you fix some problems that have been plaguing you. The worse case scenario is that you blow up your site. Playing with your WordPress MySQL database is not for the weak of heart and faint of code. Some people choose to export their entire WordPress site’s data and edit it in a text editor, but for those with hundreds or thousands of posts, it’s easier to do it in the MySQL database. These are just a few of the reasons why you need to know how to do a search and replace in the WordPress MySQL database. You’ve realized that WP as an acronym isn’t as SEO friendly as you thought and decide to change them all to WordPress.You’ve realized that you’ve been misspelling “separate as “seperate” and you now need to fix all the missed spellings.You’ve gotten smart and changed your WordPress URL and installation from /wordpress/ to.You’ve turned things off during development and it’s time to turn them back on.You’ve been asked to remove all of someone’s blog comments.An author has changed their name or URL.You’ve changed your WordPress installation and now images show blank boxes on your posts.You’ve moved images around on your server and now they don’t load.You’ve moved your WordPress installation from one server to another.It is reprinted here as a reference guide. Look for two values called siteurl and home.The following was originally published on WordCast and authored by Lorelle VanFossen. wp_comments table, in the comment_content field (URLs inside comments)Īnd while we’re talking about replacing URLs: if you need to change the root URL of a WordPress installation, this is done in wp_options too.wp_options table, in the option_value field (anything saved by themes and plugins).wp_postmeta table, in the meta_value field (URLs of Custom Menu items).wp_links table, in the link_url field (the old Link Manager).wp_posts table, in the posts_content field (links inside posts and pages).Here’s a list of places to hunt for them: Those can hide not only in posts, but also in widgets and menus. I use this technique when I need to replace URLs across an entire WordPress installation. Be cautious of trailing slashes when you’re replacing URLs.Īlso note that a small letter “l” and a capital “I” look surprisingly similar in the phpMyAdmin! If you keep getting errors like “this table does not exist”, it’s something to watch out for before questioning your sanity again □ wp_ is the default, but this can easily be changed into something else for security reasons. Make a note of your table prefix and replace it accordingly. ![]() The above would replace all image references and links from your old domain to the new one, where WordPress is installed in a subfolder. To replace a URL in all posts and pages the statement would look like this: update wp_posts set post_content = replace(Īs soon as you hit GO, MySQL will go to work and show you a success or failure message. ![]() You can see the field labels at the top of each column when you select a table. So for wp_posts this will be post_content. Here’s what the find and replace statement looks like in principle: update table_name set field_name = replace(įor WordPress specifically, if you’d like to replace text strings inside posts and pages, then wp_posts would be your table, and field_name is the column of that table. A cute typo can break things beyond repair! Before we do however, make a backup of your database because there is NO UNDO FUNCTION in MySQL. That big text field is where we’ll use the following code. You can execute the following statement either on the MySQL command line, or use phpMyAdmin’s Raw SQL option: That’s where find and replace can come in handy. This comes in handy if you’ve moved a WordPress installation to another URL: you only need to tweak two values in the options table, but there may be countless image references and links in the posts and options table too. Thankfully MySQL can execute raw queries such as find and replace. Sometimes you need to replace a string in your database with another string, and it can be rather tedious to plough through a large table manually. ![]()
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