MongoDB

MongoDB is a source-available cross-platform document-oriented NoSQL database program that uses JSON-like documents with optional schemas. It provides high performance, high availability, and easy scalability, making it popular for modern web applications and microservices architectures.

Key Characteristics

• Document-Oriented: Stores data in JSON-like documents
• Schema Flexibility: Flexible schema design
• Horizontal Scaling: Designed for horizontal scaling
• Cross-Platform: Available on multiple platforms

Advantages

• Flexibility: Flexible document model
• Scalability: Excellent horizontal scaling
• Performance: High performance for many use cases
• Development Speed: Fast development and iteration

Disadvantages

• Memory Usage: High memory consumption
• ACID Limitations: Limited ACID compliance (in older versions)
• Joins: Limited join capabilities
• Disk Usage: Can consume significant disk space

Best Practices

• Design document schema carefully
• Use appropriate indexing strategies
• Monitor memory and disk usage
• Implement proper backup and recovery

Use Cases

• Content management systems
• Real-time analytics
• IoT applications
• Mobile and web applications