Python Built-in Statistics Functions using SQL Server Data
Learn how to use statistical functions in Python with data from a SQL Server database along with several different examples.
Business Analytics from Application Logs and SQL Server Database using Splunk
Learn how Splunk can be used to get information from application logs or a SQL Server database.
Look Beyond What You See
One of the sales managers at Redgate Software posted an origin story about how he came to work at Redgate Software. It's an interesting story, and while I don't work in sales or have the same origin story, I don't know that I could have seen the place I'm in now early in my career. […]
Building a Database with Flyway
Flyway, especially Flyway Teams edition, can be used in several different ways to accommodate a database development that was originally based on builds rather than migrations. This article explores four different ways to use Flyway to build a particular version of a database, from the ground up, using a single migration script. It should help teams select the best way to incorporate Flyway into an existing database build system, during development, while benefitting from use of Flyway's versioned migration system for deployments and releases.
SQL Server vs Oracle: Data Masking
In this article, we look at how to mask/hide data for users using Dynamic Data Masking in SQL Server and Data Redaction in Oracle
How to setup multi-subnets Azure SQL VM AG group based WSFC (Windows Server 2019)
In this article, we will learn how to set up Azure SQL VM AOAG based on Windows Server 2019 Failover Cluster step-by-step, it is a detailed supplement to the Microsoft official articles and it is a beginner's guide for people who have no experience to do that, please read this article closely with Mircosoft's guide: […]
Three Mile Island And Your Databases
Grant takes a few lessons for database DR from a nuclear accident in the US.
How to Format Dates in SQL Server (Hint: Don’t Use FORMAT!)
Here's why you should NEVER use the FORMAT() function in SQL Server.
What Do We Want to See in SQL Server?
Microsoft reads your feedback, but doesn't always build it. However, your votes can sway them at times. Today Steve asks what you'd like to see added to SQL Server.
[From the archives] 5 things to look for in a 3rd party database monitoring tool
Are you evaluating the effectiveness of your homegrown database monitoring tool or looking at investing in a 3rd party one? This helpful blog post suggests 5 things to look for in your evaluations.
Blogs
Day 2 at PASS Data Community Summit 2024
By Steve Jones
I missed blogging yesterday as I was on stage/backstage for quite a bit of...
PASS Summit 2024 – Wednesday
By Brian Kelley
A common theme in the PASS Summits I've attended is community and that's definitely...
Taming Database Challenges: Insights from Redgate Keynote
By Chris Yates
I am excited to cover the Microsoft Keynote on Day 2: Redgate Keynote: Simplifying...
Forums
Deduplicating rows by choosing the row with the shortest string
Hello T-SQL experts I have a table containing team codes and descriptions. Unfortunately, many...
Unencrypted connections in Always on Availability Group
Hi, In my Always On Availability environment, I am seeing two encrypt_option values as...
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