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 ...

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 ...

An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception. Database engines like SQL Server are incredibly complex ...