SQL - MY NOTEBOOK

Master 100+ SQL Interview Questions and Answers (2025)

September 15, 2025May 25, 2025 by PC

SQL interview questions are a critical part of technical hiring for data analysts, data engineers, backend developers, and database administrators. Mastering SQL interview questions helps you land your dream job and sharpens your ability to work with real-world datasets. In this post, we’ve compiled the 100+ SQL interview questions and Answers covering basic queries, advanced joins, optimization techniques, and real-world …

Master SQL Analytical Functions Interview Questions and Answers -1

August 27, 2025May 12, 2025 by PC

Analytical Functions and Their Usage Analytical functions are powerful SQL tools that enable complex calculations while preserving row-level detail. They shine in scenarios requiring: The key advantage is performing these operations in a single pass through the data while maintaining access to all row details. They eliminate the need for many self-joins and correlated subqueries …