9. Common FAQs About MongoDB 📝
Q1: Is MongoDB suitable for transactional applications?
- Yes, with recent versions, MongoDB supports multi-document ACID transactions, making it feasible for many transactional needs.
Q2: How does MongoDB ensure data consistency?
- Through write concern and transaction settings, developers can control acknowledgment and durability levels.
Q3: Can MongoDB replace traditional relational databases?
- Suitable for many use cases, but relational databases are better for complex joins and strict schemas.
Q4: What are the main challenges when scaling MongoDB?
- Challenges include managing sharding keys, balancing data distribution, and ensuring transaction consistency across shards.
Q5: How do I secure MongoDB?
- Use authentication, authorization, encrypted connections (
TLS/SSL
), and enable access control to protect data.
This FAQ provides quick insights into common concerns and best practices for MongoDB deployment and administration.