In this two-part series, I'll tell you about some improvements Microsoft is making in SQL Server 2022 to improve cardinality estimates and deal with another common query optimization concern ...

The input to a query optimizer is a “logical plan,” which itself is the result of parsing the input SQL and converting it to a high-level collection of the operations required to execute the ...

If you're seeking to optimize your SQL queries and make the most of your database, this fundamental guide is an excellent resource. You'll learn the essential techniques to enhance database ...

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.

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 ...

This Monday marks the global launch of SQLFlash, an AI-powered SQL optimization tool designed to help developers and database administrators tackle one of their biggest challenges: slow queries. By ...

With SQL Query Store Optimizer, we’re helping DBAs improve the performance of complex queries, and make their work less complicated.” IDERA now has more than 22 free tools in its portfolio of ...

Today, MemSQL is announcing version 6.5, introducing autonomous workload optimization, and bringing improved data ingestion, as well as query execution speed.

Databricks Inc. is bringing Apache Spark to the enterprise, and Michael Armbrust, lead developer of Spark SQL at Databricks, created Spark SQL’s Catalyst Optimizer, a query API that is a fundamenta ...