High Precision Multiplication
Learn how to multiply large numbers while minimizing the loss of precision
2021-07-28
3,371 reads
Articles
How Does Microservices Architecture Change Database Deployment?
Grant Fritchey discusses the relationship between microservices architecture and database deployment and how these two important pieces of the DevOps puzzle, can work together, or against each other in the future.
2021-07-28
How to query blob storage with SQL using Azure Synapse
How do you include blob storage in reports? In this article Dennes Torres explains how to query blob storage with SQL using Azure Synapse.
2021-07-28
Why Power Query as an Activity in Azure Data Factory and SSIS?
There is a Power Query activity in SSIS and Azure Data Factory, which can be more useful than other tasks in some situations.
2021-07-26
4,328 reads
How to Compare Two SQL Prompt Styles
A PowerShell function that will compare two SQL formatting styles, saved in JSON, and produce a report showing the differences between the options they use to lay out your SQL code.
2021-07-26
Much Ado about nothing: missing data
Joe Celko explains how missing data is handled from the printing press to databases.
2021-07-26
Upsert Operation in Cosmos DB using Azure Data Factory
This article covers the basics of upserting data in CosmosDB using Azure Data Factory.
2021-07-23
14,870 reads
Managing SQL Server transaction log size
The SQL Server transaction log must be managed to keep a database running and performing well. In this article, Greg Larsen explains how to manage the transaction log size.
2021-07-23
Peering into and Parsing Application Log Files
How to use PowerShell cmdlets, such as Select-String, to glance at the contents of the application logs, or use them in conjunction with Regular Expressions to sift through log files in detail looking for particular types of error.
2021-07-23
Powershell Day by Day: Customizing Scripts with Parameters
Learn how you can add parameters to your PowerShell scripts to make them more flexible and useful.
2021-07-21
6,508 reads
Blogs
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PASS Summit 2024 – A Very Different World
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The last data centric conference I attended was the PASS Summit in 2019. A...
Forums
What's New for the Microsoft Data Platform
Comments posted to this topic are about the item What's New for the Microsoft...
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