I have my own dedicated server, running WHM/cPanel. I host a number of WordPress sites on this server.
I would like to upgrade MySql from version 5 to version 5.5. Is there any danger/risk to any of my currently hosted WordPress sites by doing so? My understanding is that upgrading MySql is really a one-way street and no easy way to go back. Considering I’m hosting quite a number of WordPress sites, I’m afraid of doing the upgrade until I know 100% before doing so that there will zero effect on these sites.
Thanks for your help in advance.
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