Dimensional Modelling – Key points you need to know
Star Schema: Dimensional data model, that has a fact table in the centre, surrounded by denormalized dimension tables. Snowflake Schema: […]
The Definitive Guide to Data Warehousing: From ERP Replicas to Cloud-Native Models
1. Why are Legacy Databases unsuited for modern reporting? Ever wonder why it’s so hard to get a straight answer
Ultimate Guide to Passing the DP-700 Exam: 50 Practice Questions
This ultimate guide provides free and realistic DP-700 exam questions to help you pass the Microsoft Fabric Data Engineer certification. We’ve compiled
Header vs. Detail Tables & DW Design: A Data Engineer’s Guide
If you’re a data engineer, you’ve faced this question: “Why do we have a SalesOrderHeader and a SalesOrderDetail table? Can’t
Databricks & PySpark Essentials for Data Engineering Interviews
Ace Your Data Engineer Interview: Databricks & PySpark Deep Dive A Practical Deep Dive into Databricks & PySpark Preparing for
Mastering Cumulative Revenue in SQL: Your Complete Interview Guide
Mastering Cumulative Revenue in SQL: Your Interview Guide Calculating a cumulative sum, or a “running total,” is one of the
The Definitive Guide to Handling Duplicates in PostgreSQL
The Definitive Guide to Handling Duplicates in PostgreSQL A complete guide to detecting, removing, and preventing duplicate data with real-world
Understanding Azure Data Factory: A Comparison for Talend Users
Azure Data Factory vs Talend Comparison As you transition from a Talend background to the world of Azure Data Engineering,
The Data Engineer’s Definitive SQL Interview Playbook
The Data Engineer’s Definitive SQL Interview Playbook (Comprehensive Edition) This guide is a comprehensive deep dive into the SQL questions
Building and Deploying an AI-Powered Cover Letter Generator
App Live : https://ai-coverletter.netlify.app/GitHub: https://github.com/kwagle7/AI-Personalized-Cover-Letter AI-Powered Cover Letter Generator Author: Kshitij Wagle (@kwagle) 📌 Introduction This project is a complete
Designing a Data Warehouse for a Grocery Retailer Quick Guide
Designing a Data Warehouse for Grocery Store In any modern retail business, data plays a crucial role in improving operations,
How to detect and handle duplicates in SQL and ETL pipelines
Duplicate records are one of the most common data quality issues in a data warehouse. They can lead to misleading
Medallion (Pull) vs Data Product (Push) architectures
This article summarizes the core arguments from Modern Data 101‘s piece: Data Products: A Case Against Medallion Architecture. The original