So I'm trying to figure out when I should be backing my transaction logs relative to my full/diffs. It seems like right after would be when I'd want to have the checkpoint happen, or does it really ...

I'm not a SQL server admin (And it seems no one in this company is) but I know some of the basics. Got a bit of an issue right now and I can't troubleshoot it because our SQL Server log files are 15GB ...