For some reason developers like stuffing their SQL with SVFs, and that... makes... it... so... slow. Are SVFs really that bad? And is scalar-valued function inlining useful at all? Let’s walk through it together and find out!
For some reason developers like stuffing their SQL with SVFs, and that... makes... it... so... slow. Are SVFs really that bad? And is scalar-valued function inlining useful at all? Let’s walk through it together and find out!
While XML has been suitable as a SQL Server native datatype since SQL 2005, for one reason or the other it’s not often used - with only a very few working examples. This blog post is meant for T-SQL teams looking for a working XML example on SQL Server, including schema binding and XML indexes.
What can go wrong when you combine memory-optimized tempdb with the resource governor? If you are using SQL Server 2019 you’ll see that one of the new features allows you to convert some tempdb system tables in in-memory OLTP.
Naar aanleiding van een migratieproject bij een van onze klanten, kreeg ik inspiratie om enkele zaken rond Partitioning uit te klaren. Partitioning is geen performance feature, maar is voornamelijk een methode om het management van grote tabellen te vergemakkelijken.
Allocating budgets on a different level is not easy to manage in DAX. It was (and still is) a DAX struggle for me. This blog post will guide you through the different steps I took to easily manage the different granularities (and write easy DAX afterwards) by allocating budget on day level using Power Query.
Kohera’s Modern Data platform does not come with a canned data model by default. This makes the framework extremely flexible to adapt to a variety of project workflows, but it also means during the Analysis phase we will need to think about how to structure the data before continuing. A blogpost.
Some of our customers want us to import their data from a standard on-premises or cloud-based (Azure) SQL-database, others want us to import their data from a REST API. If ever, you’ll have to import data from a REST API, you’ll surely encounter some obstacles.
Kohera bestaat al 13 jaar, al die tijd staat Microsoft als leider in de rechterbovenhoek van Gartner’s Magic Quadrant voor Analytics en BI Platformen. Net daarom hebben we bij Kohera een bewuste keuze gemaakt voor Microsoft Power BI, omdat het een modern en krachtig BI platform is waarmee je meteen aan de slag kunt.
Azure SQL Database serverless is a new compute tier made for single databases. This new model automatically scales the compute based on the actual workload per second. This means that you only have to pay for the compute resources (memory & vCores) you use. But there's more...