KKKrishal Karnaincompletesql.hashnode.dev·Oct 4, 2025 · 10 min readMastering SQL: From Basics to Advanced — CTEs, Window Functions & Stored Procedures.SQL interviews often test your ability to write efficient, readable queries that solve complex analytical problems. Two powerful features that can elevate your SQL skills are: CTEs (Common Table Expressions) — Simplify complex queries and improve re...00
KKKrishal Karnaincompletesql.hashnode.dev·Oct 4, 2025 · 12 min readMastering MySQL Fundamentals: A Complete Guide for Interview Preparation1. Introduction to SQL SQL (Structured Query Language) is a standard language for managing and manipulating relational databases. SQL commands are categorized into different types based on their functionality. Categories of SQL Commands CategoryC...00
KKKrishal Karnaincompletesql.hashnode.dev·Aug 14, 2025 · 8 min readIntroduction to Databases and MySQLImagine you’re sitting in an interview. The interviewer looks at you and asks,"What is data?" You might be tempted to say something like, “Data is anything that exists on Earth… numbers, letters, symbols, all of that right?” Then they hit you with th...00
