The very definition of open-source software means that developers can change the code, which means that exclusive, paid, licensing is not a part of the deal. In short, open-source is free. Free of licensing anyway. So, why might you choose to pay for an open-source software like Flyway? Grant Fritchey explores.
2021-09-27
If your company uses legacy technology systems, you can use the UiPath RPA platform to extend your process automation capabilities to these systems and eliminate repetitive, error-prone tasks of manually updating them. By using UiPath Studio, you can build an RPA program just like drawing a diagram. With the CData ODBC Driver for Oracle, users can embed Oracle data in the workflow. Let’s […]
2021-09-24
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LAG pulls a column from another row without a self-join. In this article, Kathi Kellenberger shows how LAG compares to other techniques
2021-09-24
In the second part of this PostgreSQL date time series, we examine a number of commonly used functions for getting current dates and times and converting strings to dates and times.
2021-09-22
3,168 reads
The wide ecosystem of Python modules enables you get to work fast and effectively integrate your systems. You can use the CData Python Connector for MongoDB and the SQLAlchemy toolkit to build MongoDB-connected Python applications and scripts. This article details how to use SQLAlchemy to connect to MongoDB data to query, update, delete, and insert MongoDB data. Connecting to MongoDB Data Connecting to MongoDB data is similar to connecting to any other relational database. Create a […]
2021-09-22
3,948 reads
In this tip we will look at using a Streaming Dataset in Power BI to visualize real time data using the streaming service Azure Stream Analytics job.
2021-09-22
IDC’s recent Global DataSphere Forecast, 2021-2025 predicts that global data creation and replication will experience a compound annual growth rate of 23% over the forecast period. But what’s causing the growth? Where will all of that extra data be stored? And how should we, as data professionals, prepare for it? Read this blog to explore these important questions.
2021-09-22
This article shows in detail how to use the Power BI Connector to create real-time visualizations of ServiceNow data in Microsoft Power BI Desktop.
2021-09-20
1,580 reads
This article looks at database migration with the Azure Data Studio extension, making it easy to move databases from an on premises SQL Server to one in Azure.
2021-09-20
6,383 reads
Microsoft provides many ways to run SQL Server in Azure, but which do you choose? In this article, Robert Sheldon explains the Azure SQL options.
2021-09-20
By Chris Yates
I’m thrilled to be covering the Microsoft Keynote: Fuel AI Innovation with Azure Databases on Day...
By James Serra
Many customers ask me about the advantages of moving from Azure Synapse Analytics to...
By Brian Kelley
The last data centric conference I attended was the PASS Summit in 2019. A...
Comments posted to this topic are about the item What's New for the Microsoft...
Comments posted to this topic are about the item 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