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Skill Topic · Cinematic

📘 MongoDB — Delete Operations

Data hatao safely — deleteOne, deleteMany, findOneAndDelete, TTL! 🗑️

Topic 1
📚

📌 1. deleteOne()

📚 `javascript // ═══ Delete first matching document ═══ db.users.deleteOne({ name:…
Topic 2
✨

📌 2. deleteMany()

💡 `javascript // ═══ Delete all matching documents ═══ db.users.deleteMany({ isActive:…
Topic 3
🔒

📌 3. findOneAndDelete()

🎯 `javascript // ═══ Delete and RETURN the document ═══ db.queue.findOneAndDelete({ status:…
Topic 4
📥 📥 🧠 🔬 💡 🎯

📌 4. TTL (Time-To-Live) Auto-Delete

⭐ ` ┌──────────────────────────────────────────────────────────────────┐ │ TTL Index —…
Topic 5
✨

📌 5. Soft Delete Pattern

🔑 `javascript // ═══ Instead of deleting, MARK as deleted! ═══ // Setup: add deletedAt…
Topic 6
📥 ⚙️ 🔬 💡

📌 6. Bulk Delete

✨ `javascript // ═══ bulkWrite with deletes ═══ db.users.bulkWrite([ { deleteOne: { filter:…
Topic 7
🔒

📌 7. Delete with Write Concern

🌟 `javascript // ═══ Safe delete (majority) ═══ db.criticalData.deleteOne( { _id:…
Topic 8
📥 ⚙️ 🔬 💡

✅ Summary

🚀 KEY POINTS: - deleteOne() = delete first matching document - deleteMany() = delete ALL…
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📘 MongoDB — Delete Operations ka sabse sahi definition kya hai?

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📘 MongoDB — Delete Operations Complete!

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📘 MongoDB — Delete Operations Complete

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