Ars Technica

SQL Server 2005: Pivot Help

I have a SQL Script that produces the following pivot query:<BR><BR> <pre class="ip-ubbcode-code-pre">SELECT ClientID, FirstName, LastName, SSN, 05/01/2009],[05/02 ...
Le Monde Informatique

PowerPivot hisse le décisionnel dans Excel avec SQL Server 2008 R2

Début mai, la dernière version de la base de données relationnelle de Microsoft sera livrée. Un add-on pour Excel y apporte des capacités avancées d'analyse de données en mémoire. La R2 de SQL Server ...
Ars Technica

SQL Server PIVOT (with calendar weeks)

This has been driving me crazy. Can anyone help me understand how I can dynamically create a sort of calendar view for a promotional schedule? I can't seem to get anything to work My table ...
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 ...
dbta

Adaptive Query Processing in SQL Server 2017

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 ...
Redmond Magazine

Deep Dive into SQL Server 2022's Query Performance Features, Part 2: PSP Optimization

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 ...