Thread:Project:Support desk/updating mutli mediawiki sites/reply

Each site has a separate database, and all the databases need to be updated. So no. At best you can write a shell script to automate the updates. If you're using one LocalSettings.php for multiple sites, you may have to run update.php with the --server option (or a different option depending on how you have your wiki set up) set to the appropriate thing for each site.