Main Differences Between RavenDB and MongoDB:
Indexing:
Indexing:
- RavenDB: Automatic indexing based on query patterns, reducing manual effort.
 - MongoDB: Indexes must be manually created and managed.
Transactions: - RavenDB: Fully ACID-compliant transactions, ensuring strong data integrity.
 - MongoDB: Supports multi-document ACID transactions, but not as mature as RavenDB’s transaction model.
Query Language: - RavenDB: Uses a fluent API for queries and supports SQL-like query language (RQL).
 - MongoDB: Uses a flexible and powerful query language with support for complex queries and aggregations.
Built-In Features: - RavenDB: Includes built-in full-text search, graph queries, and time series data support.
 - MongoDB: Offers a robust aggregation framework, geospatial indexing, and a broad range of built-in features through extensions and tools.
Security: - RavenDB: Comes with built-in security features out of the box.
 - MongoDB: Requires more configuration and setup to ensure robust security.
Scalability: 
- RavenDB: Focuses on high availability and ease of horizontal scaling with multi-master replication.
 - MongoDB: Excels in horizontal scalability with sharding and global replication.
Conclusion
Use RavenDB if:- Your application requires real-time data processing with automatic indexing.
 - You need strong ACID compliance and data integrity.
 - Built-in security and ease of use are essential.
 - You have requirements for graph queries and complex data relationships.
 - You need specialized support for time series data.
 
 - Use MongoDB if:
- Your application needs a highly flexible, schema-less document model.
 - You require extensive horizontal scalability and geo-distributed data management.
 - You are dealing with big data and require robust aggregation and analytics capabilities.
 - A wide ecosystem and community support are important for your development process.
 - You are building microservices or cloud-native applications needing scalability and flexibility.
 
 
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