As most of you know, I’m working to update all of my SQL Server knowledge, which hasn’t gone as deep as I would like since SQL Server 2012. So there are a couple things we’re going to focus on today, first of which is the top in the list which I’ve highlighted, Legacy Cardinality Estimation: By default, this value is turned off and as the optimizer is essential to database performance and in each database platform, handled differently, it’s worth starting to disect.  The Database Scoped Configuration settings, which are database specific, and can be accessed via the SSMS, right…