What exactly does 1 unit of cost represent in SQL Query Analyzer execution plans? [ie: Subtree Cost: 41.2134] Obviously it is some form of measurement since a very simple "select @@version" is like ...
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 ...
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