SCHAUMBURG, Ill., Oct. 30, 2012 /PRNewswire/ -- TrainSignal, the global leader in professional computer training, announced the release of their first SQL Server 2012 training courses. More sectors of ...

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...