CTE in SQL Server Examples
In this article we cover what a Common Table Expression CTE is and how to write a CTE for doing selects, inserts, deletes, updates and more.
The future of Database DevOps
Director at ThoughtWorks Pramod Sadalage explores trends such as rapid digital transformation and an ever-changing tech landscape, that'll change the way we work with databases and DevOps in the next 20 years.
A Computer on Wheels
Tesla is updating their software in a real world, real life DevOps that their customers experience every day. It impresses Steve and tempts him to get one of their cars.
Model Selection and Performance Boosting with k-Fold Cross Validation and XGBoost
This article examines how to split a data set for training and testing and evaluating our model using Python.
Managing Database Documentation during Flyway-based Development
How to create and maintain a 'data dictionary' for your databases, in JSON format, which you can then use to add and update the table descriptions, whenever you build a new version using Flyway.
Oracle Sequences: RAC
Using sequences when scaling up with Oracle RAC presents more issues with contention. In this article, Jonathan Lewis explains how to avoid the problems.
Living Life
It's a holiday weekend in the US this weekend. As such, many of you will be taking a break from work and enjoying time with family, as well as remembering some history in the US. If you're in the rest of the world, hopefully you have a holiday coming up soon you can enjoy. One […]
How much will it cost or save to rebuild that index? (SQL Oolie)
What's the true and permanent cost of lowering the Fill Factor of an index in SQL Server? It's a lot more than many people think. 9 year SQL Server MVP veteran, Jeff Moden, demonstrates how to calculate the extra space that will be used by lowering the Fill Factor and saved by increasing it.
Constraints and declarative referential integrity
Database systems have powerful features built right in that can ensure the integrity of data. In this article, Joe Celko discusses keys and constraints.
Blogs
A New Word: Ochisia
By Steve Jones
ochisia – n. the fear that the role you once occupied in someone’s life...
Create a Numbers Table in Power Query
This is a quick blog post, mainly so I have the code available if...
Microsoft finally adds Tenant Switcher for Fabric / Power BI
Praise whatever deity you believe in, because it’s finally here, a tenant switcher for...
Forums
To View or not to View, that is the question...
I've read lots of the horror stories about nested views in databases where they're...
Grant user read-write permission to a single database
Hello! How do I grant a user to read-write to a single database and...
Question of the Day
The Density Vector
When building statistics, there is the concept of density that refers to the duplicates in a table. How is this calculated?
See possible answers