Joining Queries in Azure Data Factory on Cosmos DB Sources
This article shows how you can use two Cosmos DB dataets in Azure Data Factory and join them on a common column.
2024-04-08
1,142 reads
Azure Data Factory
Create Your First Pipeline in Microsoft Fabric
Learn how to get started with a Microsoft Fabric pipeline.
2023-08-02
4,261 reads
How to Implement CI/CD in Azure Data Factory (ADF)
Learn how you can use CI/CD with your ADF Pipelines and Azure DevOps using ARM templates.
2023-03-10
12,144 reads
Assert Transformations in Azure Data Factory
This article will show how you can use Azure Data Factory to check your data quality with an assertion.
2022-11-02 (first published: 2022-10-24)
3,647 reads
Data Flow Formatters - Flatten, Parse and Stringify in Azure Data Factory
This article discusses the data flow formatters, Flatten, Parse, and Stringify, which can be useful when dealing with JSON data.
2022-08-12
12,437 reads
Understanding Shared Access Signature and Access Policy in Azure Storage
This article covers how you can give access with a shared key to Azure Storage Accounts and apply a policy for how users can access the files.
2022-06-15
7,819 reads
Azure Data Factory Interview Questions and Answers
Get a few common questions and possible answers about Azure Data Factory that you may encounter in an interview.
2022-06-03
4,168 reads
The Script Activity in Azure Data Factory
Learn about using the Script activity in Azure Data Factory to run DDL or DML statements.
2022-05-13
16,604 reads
Understanding the Mapping Data Flow Activity in Azure Data Factory
Learn about using Mapping Data Flows in Azure Data Factory.
2022-04-25
6,709 reads
An Introduction to Flowlets in Azure Data Factory
Learn how you can re-use parts of your pipeline in Azure Data Factory. Save off some tasks as a flowlet for use in multiple pipelines.
2024-02-19 (first published: 2022-04-15)
7,093 reads
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What's New for the Microsoft Data Platform
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Using Outer Joins
Comments posted to this topic are about the item Using Outer Joins
Question of the Day
Using Outer Joins
I have this data in a SQL Server 2019 database:
Customer table CustomerID CustomerName 1 Steve 2 Andy 3 Brian 4 Allen 5 Devin 6 Sally OrderHeader table OrderID CustomerID OrderDate 1 1 2024-02-01 2 1 2024-03-01 3 3 2024-04-01 4 4 2024-05-01 6 4 2024-05-01 7 3 2024-06-07 8 2 2024-04-07I want a list of all customers and their order counts for a period of time, including zero orders. If I run this query, how many rows are returned?
SELECT c.CustomerName, COUNT(oh.OrderID) FROM dbo.Customer AS c LEFT JOIN dbo.OrderHeader AS oh ON oh.CustomerID = c.CustomerID WHERE oh.Orderdate > '2024/04/01' GROUP BY c.CustomerNameSee possible answers