Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with confidence.

Boost your SQL interview readiness with these 35 carefully selected SQL Interview Questions and Answers. Includes real-world ...

This project performs SQL-based data analysis on a custom Ecommerce dataset. The dataset contains three tables: customers, products, and orders. The objective is to write SQL queries using SELECT, ...