In this note, I’m going to discuss one of the most useful and helpful cardinality estimator enhancements – the Ascending Key estimation.| SQL Shack - articles about database auditing, server performance, data recove...
Here we continue looking at the Cardinality Estimator (CE) we explore join estimation algorithms, but this is not a comprehensive join estimation analysis.| SQL Shack - articles about database auditing, server performance, data recove...
In this blog post, we are going to talk about another cardinality estimation model enhancement in SQL Server 2014 – Overpopulated Primary Key (OPK).| SQL Shack - articles about database auditing, server performance, data recove...
In this blog post, we are going to look at the new feature in SQL Server 2017 – scalar subquery simplification (CollapseIdenticalScalarSubquery).| SQL Shack - articles about database auditing, server performance, data recove...