SkilDock
Docker LabIntermediate2.5 hours

Advanced SQL Analytics Queries

Write window functions, CTEs, subqueries, and complex joins to answer business questions from a real dataset.

Part of Data Analytics (Week 3)

What You'll Build

A collection of 15+ analytics queries answering business questions about revenue trends, cohort analysis, customer segmentation, and funnel metrics using advanced SQL features.

Tools Used

PostgreSQLDBeaverDocker

Skills Practiced

Window functionsCTEsComplex joinsQuery optimization

Prerequisites

  • Basic SQL (SELECT, JOIN, WHERE)

Why This Matters in Real Jobs

SQL is the universal language of data. Every analytics, data science, and data engineering interview includes SQL problems. Window functions and CTEs separate junior from senior analysts.

Access This Lab

This lab is part of the Data Analytics course. Enrol to get access to all labs, projects, and career support.