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Mysql Search + Replace

// Performing a search-and-replace through a table is easy with MySQL when you know how.
// http://blog.urbanmainframe.com/2008/07/mysql-search-replace/

update table_name set table_field = replace(table_field,'replace_that','with_this');

So, for example, let’s say you have a table called “posts” with a data stored in a field called “content” and you want to replace all instances of the word “dog” with “cat”, then your SQL would look like this:

update posts set content = replace(content,'dog','cat');

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