Articles

SQLServerCentral Article

A Version Control Strategy for Branch-based Database Development

The migration to a different VCS should not be underestimated, as there is a lot more involved than just switching tools, and that’s what Tonie Huizer covers in this article.
First, the team needed to migrate the monolithic repos over to Git, second the team needed to make sure we had a branching strategy and workflow in place.
It involved a big process change for the team as well, but this switch is mandatory to make full use of branch-based database development.

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2023-02-08

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External Article

The Database DevOps Transformation

Digital transformation is a buzzword that is often thrown about. But what isn’t discussed in depth, is how DevOps fits into the initiative and what the pitfalls are.

This on-demand session answers these questions and provides actionable takeaways from real-life database deployment automation projects.

You’ll also hear how the key trends in Database DevOps have influenced Flyway product development.

2023-02-06

SQLServerCentral Article

Nullable vs Non-Nullable Columns and Adding Not Null Without Downtime in PostgreSQL

In this article, we are going to talk about nullable and non-nullable columns specifically related to Postgres databases. While the reasons to use nullable or non-nullable columns may seem obvious at first, there are pitfalls associated with each decision that either affect development velocity, affect application performance, or cause downtime. Let's start with definitions. Nullable […]

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2023-02-03

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The Empty Aggregate

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Question of the Day

The Empty Aggregate

I have this table in a SQL Server 2025 database:

CREATE TABLE [dbo].[CustomerOrder]
(
[OrderID] [int] NULL,
[CustomerID] [int] NULL,
[total] [money] NULL
) ON [PRIMARY]
GO
What is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
       COUNT(total) AS count
FROM dbo.CustomerOrder;



See possible answers