SQL databases use structured tables with fixed schemas, ideal for relational data. NoSQL databases store data in flexible formats like documents, key-value pairs, or graphs. SQL is like a spreadsheet—rigid but consistent. NoSQL is like a filing cabinet—flexible but less structured.
Active Recall
1 Flashcards
Interview Flashcards & Mock Mode
Practice with 3D flip cards, voice reader, and timed interview simulations.
Speed Drills
60s Micro-Tests
CodeShot.in — Daily Challenges
60-second in-browser coding micro-challenges to sharpen syntax and problem-solving speed.