PostgreSQL to BigQuery: Simple Data Type MappingIf you move data from a PostgreSQL production database to BigQuery, you will quickly notice that the data types are different. PostgreSQL has many detailed types, while BigQuery uses fewer types and is designed for analytics. If you map the types cor...Feb 5, 2026·4 min read
From Match Results to Standings: A Step-by-Step Tutorial for Building a Premier League Table in SQLJan 30, 2026·19 min read
How to Validate Credit Card Numbers using Luhn Algorithm in ExcelIntroduction Credit card validation is more than just checking if a number is 16 digits long; it’s about verifying its mathematical authenticity. The Luhn Algorithm (also known as the "Mod 10" algorithm) is the industry standard used to catch typing ...Jan 25, 2026·4 min read
