17 April 2019
17 April 2019

Using the FILTER Function in DAX

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In the previous article of this series, Andy Brown of Wise Owl Training explained how to use the oh-so-important CALCULATE function in DAX to make changes to the default filter context within a formula. This article shows how you can use the FILTER function to do something similar and explains the differences between the two approaches. … Read more
15 April 2019
15 April 2019

The BI Journey: The Expert’s Advice – Part 2

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A BI project should return value to the company quickly, not only after months or even years of work. In this article by Gogula Aryalingam, Ruthie, the intern, determines which items from her manager's requirements she can complete before the big meeting. She continues working on her semantic model by including a Date table, the star schema, measures, formatting, and more.… Read more
03 April 2019
03 April 2019

SQL For Cosmos DB – Tips and Tricks

Building on the introduction to the SQL used by Cosmos DB in the first article in the series, here you will learn how to handle some of the more classic challenges that you may face when querying JSON documents. Adam Aspin shows you some of the workarounds that are useful in practice when finding and shaping output data ready for further analysis.… Read more
13 March 2019
13 March 2019

Converting a History Table into a System-Versioned Temporal Table

Temporal tables were introduced with SQL Server 2016. To take advantage of this feature, you might start fresh with a brand new table. It is possible, however, to convert an existing table with accumulated history to the new functionality. In this article, Mala Mahadevan explains how to create temporal tables for both scenarios.… Read more
12 March 2019
12 March 2019

Why You Shouldn’t Hardcode the Current Database Name in Your Views, Functions, and Stored Procedures

“There are only two hard things in Computer Science: cache invalidation and naming things”Phil Karlton I’m terrible at naming things. I recently wrote some quick code to reproduce a design problem and demonstrate several options for solutions, and later realized that I’d named my objects dbo.Foo, dbo.FooFoo, and dbo.Wat. But I feel strongly about a … Read more
06 March 2019
06 March 2019

Introduction to SQL for Cosmos DB

This article by Adam Aspin reviews the Azure Cosmos DB SQL API from the perspective of the relational database developer. More specifically it will show you how to leverage your Structured Query Language skills to exploit the core possibilities of Cosmos DB as a NoSQL document database.… Read more
05 March 2019
05 March 2019

Resumable Online Index Create and Rebuild Operations

Index maintenance can be a real headache for database administrators as tables grow larger and maintenance windows shrink. In this article, Greg Larsen demonstrates resumable index operations available with SQL Server 2017 and 2019. This feature helps DBAs work around those small maintenance windows by allowing certain index operations to be paused and restarted again later.… Read more
26 February 2019
26 February 2019

What are Inline Indexes?

New releases of SQL Server arrive at a quick pace, and it's difficult to keep up with the many features introduced in each version. In this article, Phil Factor reviews a feature you may have missed, inline indexes. He covers the syntax and the many ways they can be used and then performs some performance tests to see if they can make a difference with table variables.… Read more
25 February 2019
25 February 2019

Introduction to SQL Server Security — Part 3

SQL Server supports partially contained databases. This gives you the option of adding database users with a password inside the database. This makes the database easier to move to another instance or participate in an Always On Availability Group. In this article, Robert Sheldon explains how to work with users in contained databases.… Read more
20 February 2019
20 February 2019

The BI Journey: The Expert’s Advice – Part 1

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Creating a quick dashboard with a few reports may be the beginning of a BI solution, but unless time is spent on the underlying model, it won't be adaptable enough to grow. In this article by Gogula Aryalingam, you'll see how the advice of a mentor helped a newbie understand how to create a flexible model that will lead to a valuable BI solution. … Read more
07 February 2019
07 February 2019

Apache Cassandra Data Modeling and Query Best Practices

Organizations have many choices when it comes to database platforms. Choosing the right one for an application should be based on the application’s characteristics and the platform’s features. In this article, Pushpa Sekhara explains why the Apache Cassandra database might be a good choice and how to get the most from it.… Read more