SQL Unit Testing reference guide for beginners

In this article, we are going to learn the basics of SQL unit testing and how to write a SQL unit test through the tSQLt framework.

Understanding Power BI Security Options - Row-Level, Column-Level and Object-Level Security

In this article, learn how to control access levels to various data and parts of Power BI reports using row-level security as well as column and object-level security.

Machine learning K-Means applied to SQL Server data

This article shows how to use Python to access data in SQL Server and produce a K-Means analysis with a chart.

Using a SQL Tokenizer

Imagine this: you have several directories full of SQL script files, and you need to know where a certain table is used. You’d rather like the context too, so you can check the whole SQL Expression and work out why it is running so slowly.

Dijkstra's Algorithm

Introduction This article celebrates a classic algorithm [1] of Dijkstra (1930 – 2002) which finds a path of minimal cost between any pair of nodes in an undirected graph. His procedure is widely recognized as a fundamental tool for examining communication and transportation networks (eg. Google Maps) and is surprisingly simple. By his own admission, […]

Interesting Aurora MySQL Feature: The Buffer Pool Survives Restarts

Lemme start this off by saying this is probably irrelevant to you. (It’s irrelevant to me, too.)

New Power BI Explore this Data Feature: An Alternative to Excel Pivot Tables

Learn how to pivot and analyze data in Power BI like you can do in Excel for fast and easy data analysis.

Kickstart the year with our free Livestream! Navigating the database landscape in 2024

The key finding from our annual ‘State Of’ survey is that there’s a need for skill diversification to keep up with the pace of technological advances in IT world.

How will this skills gap affect you?

Whether you’re just starting out in your career, you’re a seasoned data professional or you’re a senior IT leader wanting to stay ahead of business growth, join our free livestream on January 23rd.

Redgaters Steve Jones, Ryan Booz and Beca Parker will introduce key findings from the survey and offer their thoughts on the big changes coming in 2024 and what you can do to thrive in this changing landscape.

Register now

Using Spark Jobs for Multiple Lakehouse Maintenance in Microsoft Fabric

I have published videos and articles before about Lakehouse maintenance. In this article I want to address a missing point for a lot of Fabric administrators: How to do maintenance on multiple lakehouses that are located in different workspaces.

Minimal Downtime Storage Migration of Large Databases

This article shows how we were able to migrate a TB size database to new storage with minimal downtime.