Career
A collection of 12 issues
Three Rules for Choosing a Technology Career
How to think about the choice when the standard path no longer reliably works.
Foreword
The path that worked through most of the previous decade — pick any reasonable engineering specialty, get hired into a junior role, learn the rest on the job — does not reliably work in 2026. The market
The Apprenticeship That Vanished
Banks are cutting junior data engineers today. The bill comes due in 2035.
The 2026 layoff numbers are real. Tens of thousands of tech workers lost their jobs in early 2026, with a disproportionate share hitting junior roles. The official narrative is that AI made these jobs redundant.
That narrative
From QueryBand to Query Tag
How to Track Query and User Activity After Migrating from Teradata to Snowflake
By Roland Wenzlofsky · DWHPro
🎯 Why This Matters
In Teradata, QUERY_BAND has long been a hidden gem — the ability to tag every query or session with metadata like App, Job, or UserGroup.
That little string became the
Boost Your Teradata Performance - The Critical Role of NOT NULL Declarations
A Teradata HASHROW Table Difference Screening Test
Have you ever experienced extended waiting times for a table comparison to yield results? Have you ever been compelled to halt and defer quality checks on sizable tables owing to excessive resource utilization during a previous attempt?
What if you possessed a straightforward screening test indicating which tables require further
7 Deadly Sins That Destroy A Teradata Data Warehouse
To exemplify the impact of mistakes in Teradata Data Warehouse projects, consider the analogy of a medical team. Imagine yourself as the project, preparing for a crucial and costly procedure. Naturally, you wouldn't want to hear the staff engage in the following conversations before administering the anesthesia.
1.
Simplify Teradata Development: Avoiding the Pitfalls of Over-Specialization and Large SQL Statements
Learn how specialization in Teradata development can lead to the development of huge SQL statements and how to reduce the risk of bad performance.
The Importance of a Good Data Model for Teradata Performance Optimization
Welcome to part two of our Teradata performance optimization series. In this article, we will delve into how a good data model can prevent future performance issues in data warehousing projects. We will also discuss the drawbacks of taking over operational systems' source definitions directly and th
Teradata Access Rights: Implicit, Explicit, Inherited, and Automatic
Learn about the different types of access rights in Teradata, including implicit, explicit, inherited, and automatic privileges, and how they are granted to owners and creators of database objects.