GitHub

cardinality-estimation-sql-server.md

Cardinality Estimation (SQL Server) [!INCLUDE SQL Server Azure SQL Database] The [!INCLUDE ssNoVersion] Query Optimizer is a cost-based Query Optimizer. This means that it selects query plans that ...
IEEE

MQPHFM: A SQL Query Featurization Method Suitable for Cardinality Estimation Tasks

Abstract: The deep learning-based cardinality estimation is a hot research topic in the field of database query optimization. The SQL query featurization has a direct impact on the quality of ...
Redmond Magazine

A Deep Dive into SQL Server 2022's Query Performance Features, Part 1

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 ...
InfoQ

SQL Server 2016におけるクエリオプティマイザの改善

ログインして、InfoQのすべての体験をアンロックしましょう！お気に入りの著者やトピックの最新情報を入手し、コンテンツと交流し、限定リソースをダウンロードできます。 クラウドコンピューティングの登場以降、ソフトウェア業界は大きな変革の中に ...
dbta

Cool Features of SQL Server 2014: Improved Cardinality Estimates

With all the cheerleading and the steady drumbeat of new features being released to Azure, it’s easy to lose track of the many cool and valuable new features released in the on-premises version of SQL ...
GitHub

cardinality-estimator-degrades-query-performance.md

description: This article helps you resolve performance problems that occur in SQL Server 2014 and later versions when you compile your queries using the new cardinality estimator. ms.date: 08/12/2022 ...