SQL Server High Availability and Disaster Recovery Plan
Microsoft provides quite a few features for high availability and disaster recovery. In this article, Priya describes the HA/DR options.
2021-08-06
Articles
Merge Multiple Files in Azure Data Factory
A short tutorial on how to combine multiple files together in an Azure Data Factory Copy Data activity.
2021-08-04
25,883 reads
Typical uses of Oracle sequences
Oracle sequences supply unique numbers that can be used when populating tables. In this article, Jonathan Lewis explains the typical uses of Oracle sequences.
2021-08-04
Using Data Scanning to Identify and Classify Sensitive Columns
SQL Data Catalog's new data scanning feature uses regular expressions and data dictionaries to identify where sensitive and personal data is stored in your databases.
2021-08-04
Working with Azure IoT Central
Gathering data from sensors and Internet of Things (IoT) devices is becoming more and more common in many organizations. This introductory article shows how you can get started with IoT Central in Azure.
2021-08-02
1,801 reads
Beautify HTML Tables in Emails for SQL Database Mail
In this article we look at how to format HTML tables sent via SQL Server Database Mail to make the emails and data easier to read.
2021-08-02
Overcoming Database DevOps challenges - Part 1
When integrating database changes into a DevOps process, the biggest challenge is to standardize and coordinate the different approaches to application and database development. Discover the key tools & training resources to help you and your team.
2021-08-02
PostGres and SQL Server - Divided by a common language
A few lessons from a SQL Server DBA that is working on PostgreSQL. David Poole tells us where the similarities in the platforms can cause problems.
2021-07-30
3,947 reads
How to enable SQL Server trace flags
DBAs can control many aspects of SQL Server’s behavior with trace flags. In this article, Robert Sheldon explains how to enable SQL Server trace flags.
2021-07-30
Share your favorite Redgate tool – win technical training from Pluralsight!
Level up your skills with Redgate’s latest competition. Redgate is giving you the chance to win a 3-month subscription to Pluralsight, the technical skills platform. To enter, visit the Redgate Forums and answer the question ‘What’s your favorite Redgate tool and why?’
2021-07-30
Blogs
AI Innovation in Microsoft Keynote
By Chris Yates
I’m thrilled to be covering the Microsoft Keynote: Fuel AI Innovation with Azure Databases on Day...
Benefits of Migrating from Azure Synapse Analytics to Microsoft Fabric
By James Serra
Many customers ask me about the advantages of moving from Azure Synapse Analytics to...
PASS Summit 2024 – A Very Different World
By Brian Kelley
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