I'm not sure it really is actually estimated because as far as I know the only way it can show you what the query plan is is by executing it. So then it really isn't an estimate. I'm sure I'm totally ...

The theme for this time is SQL "execution plans."Execution plans are one of the technologies you absolutely must understand when considering database performance.However, this content might also be a ...

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 ...

A popular performance tuning book gets updated for SQL Server 2022, how does it fare? This well-liked SQL Server book examines performance from various angles, but concentrates on improvements related ...

In earlier versions of SQL Server, after selecting a join algorithm, SQL Server had to process it even if a better alternative might be available. In SQL Server 2017, the query optimizer can now sense ...

This book aims to give you the tools and knowledge to get peak performance from your queries, how does it fare? The book, which is largely an update to the author’s Microsoft SQL Server 2014 Query ...

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 ...

With so much hype around AI, generative AI and cybersecurity, it can be tough to generate excitement around something as ubiquitous as databases. But without that foundation, none of today’s tech – ...

Although there was significant fanfare surrounding SQL Server Query Store's initial release in SQL Server 2016, many companies have been hesitant about adopting the performance monitoring and ...

This chapter excerpt on Parallel SQL (download PDF) is taken from the book Oracle Performance Survival Guide: A Systematic Approach to Database Optimization. Get pertinent information on optimizing ...