The analyzer can determine how many IOs each approach will take and choose the fastest way to do it.<BR><BR>Basically the estimated execution plan is mostly what the query optimizer does when it's ...

SQL Server Profiler has always been a great tool for tracing activity “under the hood” on a SQL Server and assessing its performance. One feature that helps us quickly set up a trace on our current ...

In part 1 of my SQL Server 2022 features series, you learned about the improvements to the cardinality estimator component of query optimization. In this installment, you will learn about another ...

Microsoft has just added support for query hints to Azure SQL Database, giving database administrators a powerful tool to manage the performance of ISV application code. Here's how it works. Database ...