The change in [CODE] to [code] in the entire database

[محروم.كوم]

Just like in the topic, what do I need to send a query to the database to change already existing posts in [CODE] (capitalized) in the tags [code] (written with a little)? Since the modification of the downloaded code markup to cover up for not logged users, while the code is not visible to everyone. __DEFINE_LIKE_SHARE__