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SQL Server Transaction Log File (LDF) Misconception

A common misconception is that setting the recovery model to simple will cause SQL Server not to use the transaction log file (LDF), preventing it from growing to an abnormal size. In fact, the simple recovery model will still use the transaction log when performing transactions, however it will reclaims log space to keep space requirements small. The actual file size will not be reduced by reclaiming space.  Same as performing a transactional backup will not reduce the actual file size. This is important becase if you have a long running transaction that is performing many insert/update/delete statements, the transaction… Read More »SQL Server Transaction Log File (LDF) Misconception

Open/Closed Principle Violation

Before I post too many SOLID principle posts, let me prefix by saying that I strongly believing that following SOLID principles as guidelines will lead to writing better Object Oriented code. Back to Open/Close Principle… Software entities like classes, modules and functions should be open for extension but closed for modifications. Out of all the SOLID principles, I’ve found this one to causes the most confusion and is the hardest to identify for developers.  When following any of the SOLID principles, they all have a bit of cross over that help you identify when violating one of them.  Violating Open/Close… Read More »Open/Closed Principle Violation

Leaders in Big Data

Charles Fan from VMWare makes an interesting note regarding CRAP data. Data is mostly event driven and not CRUD’y anymore.