A few years ago my co-worker Will, was on the brink of disaster. The top-tier financial services firm we worked at had a spot open… Read More »Say Goodbye to Perfectionism: How SQL Mastery Led to Career Growth and a Life-Changing Promotion (Code Included)

In October 2019, my friend Wayne was stuck in a dead-end job. He felt like he had a lot of skills to offer, but couldn’t… Read More »Level Up Your SQL Interview Skills: 3 Real-World Marketing Analytics Interview Questions (With Answers & SQL Code)

Navigating the early stages of a data analytics career sucks. As an entry-level data analyst, I found myself staring at the screen, praying that I… Read More »From Beginner to Advanced: 3 Confidence-Boosting SQL Sales Analysis Interview Questions (With Code)

When I was first assigned to create an Employee Sales Reporting analysis for my employer at the time, I was honestly terrified. I had to… Read More »SQL CTEs Demystified: Step-by-Step Guide to Employee Sales Reporting and Trend Analysis (Code Samples Inside)

In the business world, cash is king. Without sales, the business is dead. This applies to customers. It applies to products. And it applies to… Read More »Step Up Your Business Data Analytics Game: Analyzing Sales Performance with SQL Window Functions (Plus the Code to Get Started)

The most common data analytics career question I get asked is “How do I get started?” And I get it. What you will learn in… Read More »From Data Dabbler to Master Analyst: The Complete Roadmap to Data Career Success (Even If You’re Not Sure Where You’re Heading)

The idea of turning data into profits is stupid That’s what I used to think before I learned about “sales velocity” and how important it… Read More »Turning Data into Profits: The Step-by-Step Guide to Building a Sales Velocity Analysis from Scratch with SQL (Code Included)

Fraud is a multi-billion-dollar business problem. And fraud analytics is something I’ve dealt with in my 15+ years of working in data my fair share… Read More »The Hidden Threat: Unmasking Business Fraud Patterns with SQL (Quick Start Guide with Sample Code Included)

Understanding sales trends is vital for every business. It’s like trying to navigate an unfamiliar city without a map, a compass, or any directional signs.… Read More »Jumpstart Your SQL Success: A Beginner’s Guide to Sales Analytics with SQL (Sample Code Included)

As an analyst, I’ve seen the devastating impact of customer churn first-hand. It’s like standing on a sinking ship, desperately trying to patch the holes… Read More »Stop Losing Customers Now: Master the Art of Customer Churn Analysis Using PostgreSQL (Sample Code Included)