What are the other options, and when would page-level encryption in Community Edition be useful? If I'm understanding it correctly, page-level encryption is to

What are the other options, and when would page-level encryption in Community Edition be useful? If I'm understanding it correctly, page-level encryption is to protect against someone gaining access to the DB server and copying the files off it. If the key is stored in a file on this DB server, I might as well not bother encrypting the pages.