If you have worked with me or are a frequent reader of my blogs or a frequent attendee of my presentations, you know I hate doing things manually. Over my career, I have found that one of the biggest enemies of automation is being able to get someone else to do it manually. If you…
Day: October 25, 2017
Which is the performance killer: SELECT INTO or INSERT INTO?
There are many ways to kill performance in a script or stored procedure. However, not many think about the possibility that adding columns to a temporary table can kill performance. Here, I’m going to show you how a simple design decision – using INSERT vs ALTER TABLE – can have a huge impact on your procedure…