This final level focuses on the practical application of changesets in complex scenarios. From table transformations to ETL-driven logic, it explores how to manage database changes when rollback is no longer purely structural, emphasizing control, predictability, and pragmatic solutions.
2026-09-30
1,470 reads
Share your view on the database landscape and you could win USD$500.
2026-09-30 (first published: 2026-09-28)
Reproduce traditional row-lock accumulation and writer blocking, then see how SQL Server 2025 uses transaction ID locking and Lock After Qualification to improve concurrency—and where hints, isolation levels, and query shapes limit the benefit.
2026-09-23
2,647 reads
This guide has everything you need to know about JSON indexing in SQL Server 2025: what it is, how it works, and current limitations.
2026-09-07
You may not be old, but I sure am. As I travel around to all the different conferences to speak, whether we're talking a dev conference, SQL Server, or PostgreSQL, one of the topics that keeps coming up is age. The age of the organizers. It's mostly the same people putting on events for the […]
2026-09-05
290 reads
How a simple Extended Events session can turn you from a silent guardian to a developer’s best ally. There is an old, undeniable paradox in the life of a Database Administrator: If you do your job perfectly, nobody remembers you exist, only when you resolve problems. When queries are fast, backups are pristine, and the […]
2026-08-31
2,472 reads
DBAKevlar disccusses the new product from Perplexity and Nvidia that just shipped on August 25th. If you haven’t been paying attention its goal is businesses whose entire generative AI solution has been what the AI bubble is betting on.
2026-08-29
108 reads
I've just spent a week in the UK visiting the Redgate HQ with my fellow advocates. I'm really blessed to get to work with such a great bunch of people. A couple of the conversations we had stuck with me and I'd like to share them here. Sitting in the midst of Cambridge, Cambridgeshire, UK, […]
2026-08-15
189 reads
As database changesets accumulate over time, they gradually become more than deployment artifacts. This level explores how a well-organized changeset library evolves into a replayable representation of the database’s structural history, supporting not only reliable deployments but also reconstruction, auditing, and long-term maintainability. Through practical examples and a real-world case study, it shows why maintaining coherent Create and Rollback scripts continues to provide value long after a successful production deployment.
2026-08-05
677 reads
2026-08-03
956 reads
By Steve Jones
I use ConEmu for my terminal interface. I’m still on Windows 10 at home,...
Creating a Fabric workspace takes about 30 seconds. Restructuring workspaces after people have built...
By Steve Jones
It’s a small change, but a handy one. Flyway Desktop (FWD) now includes the...
Comments posted to this topic are about the item Adding new column with DEFAULT...
Comments posted to this topic are about the item Advanced Deployment Scenarios: Stairway to...
Comments posted to this topic are about the item You Need a DBA Pipeline
Which number did the two COUNT(*) return:
DROP TABLE IF EXISTS #tmp CREATE TABLE #tmp (id INT NOT NULL) INSERT INTO #tmp (id) SELECT gs.value FROM GENERATE_SERIES(1, 5) AS gs ALTER TABLE #tmp ADD my_value INT NOT NULL CONSTRAINT df_tmp_my_value DEFAULT 1 SELECT COUNT(*) FROM #tmp AS t WHERE my_value = 1 ALTER TABLE #tmp DROP CONSTRAINT df_tmp_my_value ALTER TABLE #tmp ADD CONSTRAINT df_tmp_my_value DEFAULT 2 FOR my_value SELECT COUNT(*) FROM #tmp AS t WHERE my_value = 1See possible answers
