Skill Topic · Cinematic

📘 MongoDB — Geospatial Queries

Maps, locations, distances — geospatial queries ka pura game! 🌍

Topic 1

📌 1. GeoJSON Basics

📚 ` MongoDB me locations store karne ke 2 tareeqe: 1. GeoJSON (Recommended): { location: {…

Topic 2

💡 `javascript // ═══ 2dsphere index (GeoJSON — Earth surface) ═══ db.places.createIndex({…

Topic 3

🎯 `javascript // ═══ Point ═══ db.places.insertMany([ { name: "India Gate", location: {…

Topic 4

⭐ `javascript // ═══ Nearest places (sorted by distance) ═══ db.places.find({ location: {…

Topic 5

🔑 `javascript // ═══ Circle ke andar ═══ db.places.find({ location: { $geoWithin: {…

Topic 6

✨ `javascript // ═══ Check if geometries intersect ═══ // Point kya kisi zone me hai?…

Topic 7

🌟 `javascript // ═══ Near + distance calculation (aggregation pipeline) ═══…

Topic 8

🚀 `javascript // ═══ 1. Nearby restaurants finder ═══ db.restaurants.aggregate([ {…

Topic 9

📚 ` Geospatial Query Performance: ✅ DO: • 2dsphere index create karo (mandatory for…

Topic 10

💡 KEY POINTS: - GeoJSON format: { type: "Point", coordinates: [lon, lat] } - ORDER:…

Quick Quiz

📘 MongoDB — Geospatial Queries ka sabse sahi definition kya hai?

Complete! 🎉

Aliens School · HIEN · Cinematic Knowledge

✅