database Archives — Stampede: the strategic design & technology company https://stampede-design.com/blog/tag/database/ We are creating better worlds though thoughtful design and technology. Connect with us! Tue, 07 Apr 2026 09:09:08 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.5 https://stampede-design.com/wp-content/uploads/2024/02/cropped-Stampede-Favicon-old-32x32.png database Archives — Stampede: the strategic design & technology company https://stampede-design.com/blog/tag/database/ 32 32 Useful MySQL Query for Search and Replace https://stampede-design.com/blog/useful-mysql-query-for-search-and-replace/ https://stampede-design.com/blog/useful-mysql-query-for-search-and-replace/#respond Sat, 13 Mar 2010 07:01:26 +0000 https://stampede-design.com/blog/?p=399 When working with databases, one of the tasks that may popped up every once in a while is the need to replace some little snippet of text and all its occurrence throughout the table, to a different text. If you need to perform a quick search and replace on your MySQL database records, Shaiful reassures that you should just take a seat and read on, casually. No biggie.

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]]> When working with databases, one of the tasks that may popped up every once in a while is the need to replace some little snippet of text and all its occurrence throughout the table, to a different text. Simple enough to do manually, but too time-consuming. Thankfully, there’s a handy query to make this task a breeze.

UPDATE `table_name` SET `field_name`= REPLACE (`field_name`, 'search for', 'replace to');

The query is pretty self-explanatory. As with all UPDATE operation, you can add a WHERE clause to have more control over the outcome of the query.

The most common scenario where I found this to be useful is when moving a WordPress installation from a development server over into a live server, where I have to replace all occurrence of the former URL to the latter in order to ensure images in posts are pointing correctly. Here’s how the query may look.

UPDATE `wp_posts` SET `post_content`= REPLACE (`post_content`, 'http://devserver.com/', 'http://liveserver.com/');

Just run it using your favorite database admin tool and you’ll be glad in no time. Have a nice day!

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