Steven Wright explains how to diagnose performance issues in Microsoft APS and Azure Data Warehouse with SentryOne Alerts and lists some custom Advisory Conditions (AC) that many people find useful...
Erin Stellato lists out all of the enhancements to statistics in SQL Server over the years, from SQL Server 7.0 all the way through to SQL Server 2017.
Lori Edwards (@loriedwards) continues her series on SQL Server statistics, this time showing how even up-to-date statistics can yield inaccurate estimates.