The query optimizer uses statistics, indexes, and other factors to generate an execution plan, which is a set of steps that SQL Server follows to retrieve or modify data.

The goal of the project is the development of an application that performs SQL queries to a database. Each query uses a number of relations on which different filters and joins are applied. A very ...

Joey on SQL Server How To Use Query Store Hints in Azure SQL Microsoft has just added support for query hints to Azure SQL Database, giving database administrators a powerful tool to manage the ...

With the exception of SQL Server 2008 R2, each version’s compatibility level number is 10 greater than the previous version. That puts SQL Server 2000 at 80 and SQL Server 2016 at 130.

In SQL Server 2017, when the query optimizer encounters code with a multi-statement TVF, the query optimizer will pause optimization, execute the TVF subtree to get a very accurate cardinality ...

Often, designing databases and speeding up SQL Server queries are treated as a kind of abstract problem: A just "Find this problem, apply this solution" approach to problem solving. In practice, ...

Joey on SQL Server How To Use Query Store Hints in Azure SQL Microsoft has just added support for query hints to Azure SQL Database, giving database administrators a powerful tool to manage the ...