@krishalkarna
Data, Dev, and Everything in Between
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Oct 4, 2025 · 10 min read · 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...
Join discussionOct 4, 2025 · 12 min read · 1. 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...
Join discussionAug 14, 2025 · 8 min read · Imagine 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...
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