← Back to AWS practitioner Certification
🌐
AWS practitioner Certification
🧠 Amazon Neptune (Storage)
📅 Apr 12, 2026
Amazon Neptune = Graph Database Service
यो विशेष गरी सम्बन्ध (relationship) धेरै भएको data का लागि बनाइएको हो।
📌 Graph Database भनेको के हो?
Graph DB मा data यस्तो हुन्छ:
- Node (वस्तु) → मान्छे, product, स्थान
- Edge (सम्बन्ध) → friend, bought, connected
- Property → उमेर, मूल्य, मिति
👉 Table जस्तो होइन 👉 Connection खोज्न धेरै छिटो
🎯 Neptune कहिले प्रयोग गर्ने?
- ✔ Social network
- ✔ Recommendation engine
- ✔ Fraud detection
- ✔ Knowledge graph
- ✔ Network analysis
🔥 मुख्य विशेषता
- Fully managed (AWS ले manage गर्छ)
- Highly available
- Automatic backup
- Relationship query मा धेरै fast
- Gremlin र SPARQL support गर्छ
❌ कहिले प्रयोग नगर्ने?
| जरुरत | प्रयोग गर्ने service |
|---|---|
| Simple key-value | DynamoDB |
| Table based SQL | RDS |
| Big analytics | Redshift |
📊 Graph DB vs NoSQL (DynamoDB) तुलना
| कुरा | Graph DB (Neptune) | NoSQL (DynamoDB) |
|---|---|---|
| Data structure | Node & Edge | Key-Value / Document |
| Relationship query | धेरै fast | गाह्रो |
| Massive scale | राम्रो | अझै राम्रो |
| Simple lookup | ठीक | सबैभन्दा राम्रो |
| Recommendation logic | Excellent | Complicated |