The 2021 report from the DevOps Research and Assessment (DORA) team at Google Cloud has now been published and provides highlights from seven years of research and data from more than 32,000 professionals worldwide.
2022-02-04
Phil Factor offers a programmer's guide to Flyway's configuration settings, explaining the different categories of parameters, the role of each of parameter within each category, and how to exploit Flyway's multi-level configuration file system.
2022-02-02
Learn how to conduct deep SQL Query optimization with SQL Grease with the Enterprise dashboard, historical data, troubleshooting SQL Server Wait Stats, capturing anomalies and intelligent notifications.
2022-02-02
Learn how to install PostgreSQL and using Azure Data Studio to work with it.
2022-01-31
6,825 reads
Earlier this year, we surveyed 5,700 global IT professionals and found out what the most pressing issues in DevOps and monitoring were. Read the round up in our infographic.
2022-01-31
The syntax for creating databases and tables in PostgreSQL is similar to other RDBMS. In this article, Grant Fritchey shows how to create databases and tables.
2022-01-31
Placeholders come in very handy in Flyway, but troubleshooting the SQL migration and callback scripts that use them can be tricky. This articles demonstrates how to develop, test and debug these scripts in a tool designed for these tasks, such as SSMS, leaving Flyway to do what it's designed for, which is running the scripts.
2022-01-28
227 reads
In this article, we will see if the given SSIS catalog is ready for migration without any issues using SSIS Catalog Migration Wizard inspect feature.
2022-01-28
2,154 reads
You can do essential monitoring of SQL Server instances and databases with a FREE toolkit!
2022-01-28
6,289 reads
In this article we look at how to install SQL Server and Oracle using PowerShell to create development environments using Windows Containers.
2022-01-28
How can you achieve good enough without compromising the process/product? In the world of...
By Patrick
One of my customers recently wanted to rename each of the SQL audit files...
The post The pros and cons of self-service BI: What every industry leader should...
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