How to Integrate Azure DevOps with Azure Synapse Studio
Learn how to connect your Synapse workspace to a Git repository.
2022-01-26
7,819 reads
Articles
Crowdsourcing quality: Can the hive mind/herd mentality help you in software testing?
Crowdsourcing is one way to get a job done. In this article, Devyani Borade describes crowdsourcing quality testing of software.
2022-01-26
Testing a Flyway Database Migration
Often, we want to test the new version of a database, produced by a Flyway migration, before committing the new migration file, or to test the same migration run on a number of different databases. This article demonstrates how to do it, by generating and using JSON parameter files to run a series of Flyway actions on any number of databases, on any number of servers.
2022-01-26
Working with Fail Activity in Azure Data Factory
Introduction In this article, we will talk about a newly introduced activity in Azure Data Factory, which is the fail activity. The fail activity is very useful to stop or fail the pipeline at the specified point. For example, a lookup activity might return no data or a switch activity executes the default block. We […]
2022-01-24
6,143 reads
Exploring the Flyway Schema History Table
Flyway uses a schema history table to track the version of each database, recording in it every versioned migration file applied to build that version. It's worth understanding exactly how Flyway uses this table, the possible dangers of moving it to a non-default location and how to do it safely, if required.
2022-01-24
How to replace an identity column with a sequence number
SQL Server provides two ways to include an incrementing number in a table. Greg Larsen explains how to replace an identity column with a sequence number.
2022-01-24
Prevent Accidental Data Deletion in Azure Storage Container with Soft Delete Features
Learn about enabling soft-delete for your Azure Storage containers.
2022-01-21
1,718 reads
Choosing Between SQL Server Integration Services and Azure Data Factory
In this article we look at the similarities and differences of SSIS and Azure Data Factory and provide some insight as to when you would use one over the other.
2022-01-21
The Redgate Advocates Predict… 3 Key Challenges to Overcome in 2022
Read what Grant, Steve and Kathi predict will be the biggest challenges for data professionals to overcome this year.
2022-01-21
Playing popular game of Wordle using T-SQL
Popular and addictive game of Wordle is now written in Transact SQL script. With this script, you can now play this game on Microsoft SQL Server, using your favourite editor - SSMS, ADS, VS Code, and enjoy playing the game during free time, or whilst waiting for the other SQL query to complete.
2022-01-19
4,411 reads
Blogs
T-SQL Tuesday #180: Good enough is perfect
How can you achieve good enough without compromising the process/product? In the world of...
How to Convert FileTime to DateTime
By Patrick
One of my customers recently wanted to rename each of the SQL audit files...
The pros and cons of self-service BI: What every industry leader should know
The post The pros and cons of self-service BI: What every industry leader should...
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