System-versioned temporal tables were introduced in SQL Server 2016. They provide information about data stored in the table at any point in time by storing an effective dated version...
2021-05-07 (first published: 2021-04-22)
226 reads
Control Flow activities in Data Factory involve orchestration of pipeline activities including chaining activities in a sequence, branching, defining parameters at the pipeline level, and passing arguments while invoking...
2021-04-06 (first published: 2021-03-25)
214 reads
I’ve been working on a project for the last few months with a client who has chosen to implement Dremio in Azure. Dremio is a data lake engine that...
2021-03-23 (first published: 2021-03-18)
122 reads
Question: When an activity in a Data Factory pipeline fails, does the entire pipeline fail?Answer: It depends In Azure Data Factory, a pipeline is a logical grouping of activities...
2021-02-25 (first published: 2021-02-18)
727 reads
Have you ever tried to use your browser to zoom in on a visual in a Power BI report? If you simply published your report and then zoomed in,...
2021-02-18 (first published: 2021-02-11)
475 reads
It’s common that users only have access to certain folders in an Azure Data Lake Storage container. These permissions are provided not through Azure RBAC (role-based access control) roles...
2021-02-09 (first published: 2021-02-04)
223 reads
Jon Schwabish over at PolicyViz has created great initiative called the One Chart at a Time Video Series. It’s an effort to expand readers’ graphic literacy through short videos...
2021-02-03 (first published: 2021-01-27)
561 reads
I’ve been working on a project where I use Azure Data Factory to retrieve data from the Azure Log Analytics API. The query language used by Log Analytics is...
2021-01-05 (first published: 2020-12-24)
412 reads
I’m excited to announce that something new is coming to the Power BI community in 2021: Workout Wednesday! Workout Wednesday started in the Tableau community and is expanding to...
2020-12-30 (first published: 2020-12-18)
378 reads
Many conferences have moved online this year due to the pandemic, and many attendees are expecting captions on videos (both live and recorded) to help them understand the content....
2020-12-08 (first published: 2020-11-24)
150 reads
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
Comments posted to this topic are about the item Let's Talk Certifications, which is...
Comments posted to this topic are about the item The Hidden Security Risks of...
Comments posted to this topic are about the item The Empty Aggregate
I have this table in a SQL Server 2025 database:
CREATE TABLE [dbo].[CustomerOrder] ( [OrderID] [int] NULL, [CustomerID] [int] NULL, [total] [money] NULL ) ON [PRIMARY] GOWhat is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
COUNT(total) AS count
FROM dbo.CustomerOrder;
See possible answers