How to Sort Results with ORDER BY in SQL for Data Analysis
Have you ever written a SQL query, looked at the results, and felt something was off—not because th...
Tag: Data Cleaning
How to Clean Messy Data Using SQL for Data Analysis
Have you ever run a SQL query, felt confident about your logic, and then looked at the results thin...
ETL vs Data Pipelines | Diffrence between ETL and data pipeline
If you're new to data analytics, you've probably noticed something confusing. The terms ETL and dat...
ETL with Excel: When and How to Use It Effectively
If you're picking up data analysis, there's probably an Excel spreadsheet already sitting open on y...
ETL Using SQL | Transforming Data with Real Queries
When you start learning data analysis, SQL often feels like a powerful but slightly intimidating to...
ETL in Power BI Using Power Query with examples
If you are new to data analysis, Power BI probably feels exciting and confusing at the same time. Y...
ETL Architecture: Source, Staging & Data Warehouse Guide
Have you ever wondered where your data actually lives when it's being processed? Or why ETL systems...
ETL Process Step by Step | Real-World Examples for Beginners
Let me ask you something: have you ever wondered how Spotify knows exactly which songs to recommend...
ETL vs ELT: Differences and When to Use Each for Data Analysis
Ever order online and wonder how the “Recommended for You” section seems to know you so well? Or sc...
What Is ETL? Extract, Transform, Load with Tools & Process
Have you ever wondered how Netflix knows exactly what show to recommend next, or how your favorite ...