Month: August 2017

System-Versioned Temporal Tables

  By

Every once in a while, I like to take a moment and learn something new about the latest SQL Server gizmos and gadgets. Today I came across system-versioned temporal tables and it peeked my interest, so I figured I’d investigate and share my finding with you. How many of you have need to track data changes over time? I’ve needed this many times for things like auditing, investigating data changes, data fixes, and trend analysis of values over time. Having to do this is the past has been a very daunting task at times and sometimes nearly impossible. This is… Continue Reading

VLFs the Forgotten Foe

  By ,

How many of you check the amount of Virtual Log Files (VLFs) your transaction logs have? Working as a consultant now, I see this as something that is often ignored by DBAs.  This is an easy thing maintain and yet so many don’t know how to. Keeping these in check can give you a performance boost not only on startup but with your insert/update/delete as well as backup/restore operations. SQL Server performs better with a smaller number of right sized virtual log files.  I highly recommend you add this to your server reviews. What is a VLF? Every transaction log… Continue Reading