Running short of disk space? One way to solve that is to keep fewer backups on disk, or write a routine that will compress them to conserve space. Or you could try SQLZip, an add in that creates compressed backups. Read the review, see if it's something you should consider!
As you advance in your skills as a Transact-SQL developer or SQL Server database administrator there will come a time when you need to override SQL Server's locking scheme and force a particular range of locks on a table. This article by Randy Dyess shows you how to optimize your queries using table hints.
"Certification mania" has hit IT, big-time. Many employers look for certification in potential employees and especially in IT contractors. If you're a data administrator or DBA, you have to consider: could DBA certification enhance my career? Would it deepen my knowledge and increase my value to my company?