Introduction Did you know that SQL (Structured Query Language) was developed in the 1970s at IBM by a team led by Donald D. Chamberlin and Raymond F. Boyce? Originally known as SEQUEL (Structured English Query …

The Complete Guide to SQL Window Functions – Big Tech Interviews SQL window functions are a powerful tool that can be used to solve complex problems with ease by data analysts, data scientists, and even …

 Top Amazon SQL Interview Questions (Updated 2023) Welcome to Your Master Guide to Acing Your Amazon SQL Interview!   Whether you’re aspiring to be an Amazon business analyst, data analyst, or data scientist, you’ll need …

SQL Playground with Pre-Built Questions Meet Big Tech Interviews: A platform where you can learn and master SQL through a collection of pre-built SQL interview questions and explanations.  Tired of reading about SQL and ready …

How do you prepare for your Business Intelligence Engineer (BIE) interview at Amazon/AWS?   It starts with getting a lay of the land and understanding Amazon/AWS and the types of BIE roles they’re actively hiring for.  …

General Overview of Amazon Business Analyst Interview Being a business analyst is a pretty sweet job. You get to solve real-life problems without having to code or other tech stuff. But, you will need a …