We'll step through the process of using Flyway Teams to support database branching and merging, where the team split the development effort into isolated, task-based branches, and each branch has its own development database.
In this article, Jonathan Lewis discusses why you might want to stop the optimizer from unnesting some subqueries and how to control where the optimizer positions each subquery.
Some organizations have policies in place to make sure that everything in their IT infrastructure is documented. There are runbooks, procedures, wikis, diagrams, charts, code comments, and more to make sure that knowledge is available if an employee leaves or when disaster strikes. Not only does the documentation exist, but it’s also organized and easy […]
A backlog is important for software development, and Steve has a few thoughts on how to add things to the backlog.
To guarantee the order of a result set, you must use an ORDER BY clause. In this article, Greg Larsen explains what you need to know about ORDER BY.
Now’s the time to save your seat at the world’s largest hybrid conference for data platform professionals, taking place November 15-18! Join attendees from around the globe who are gathering in-person and online for a full week of world-class training, networking, and data-platform focused events. Register today to take advantage of discounted launch pricing, available for a limited time.
Having a known and documented incident response plan is important these days, as more and more companies are having security incidents.
In this article we look at the SQL functions COALESCE, ISNULL, NULLIF and do a comparison between SQL Server, Oracle and PostgreSQL.
By Steve Jones
I come to Heathrow often. Today is likely somewhere close to 60 trips to...
By Brian Kelley
If your organization is spending money, then meaningful results are a must. Pen testing...
I’m starting a webinar series about SQL Server indexing with the fine folks of...
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I have a database, DNRTest, that has a number of tables and other objects in it. The other day, I was trying to mock up a test and ran this code on the same server:
-- run yesterday CREATE DATABASE DNRTest2 GO USE DNRTest2 GO CREATE TABLE NewTable (id INT) GOToday, I realize that I need a copy of DNRTest for another mockup, and I run this:
-- run today USE Master BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak' GO RESTORE DATABASE DNRTest2 FROM DISK = 'dnrtest.bak' WITH REPLACEWhat happens? See possible answers