Difference between Firebase and Derby

1. Firebase :
Firebase was developed by Google in 2012. It is a database to store and synchronize data in real-time. It is a Cloud-hosted real-time document store and gives the flexibility to access data from any device iOS, Android. JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.

2. Derby :
Derby is an open-source relational database management system. It was developed by Apache Software Foundation in 1997. It is written and implemented completely in the Java programming language. The primary database model of Derby is Relational DBMS. All OS with a Java VM is a server operating system. It provides users fine-grained access rights according to SQL-standard and with a small-footprint standards-based database engine that can be tightly embedded into any Java-based solution.

Difference between Firebase and Derby :

1. It was developed by Google in 2012. It was developed by Apache Software Foundation in 1997.
2. It is a commercial database. It is an open-source database.
3. The primary database model is Document Store. The primary database model is Relational DBMS.
4. It support Objective C, Java and JavaScript as programming languages. It support Java programming language.
5. Server operating systems for Firebase are hosted. Server operating systems for Derby are all OS with a Java VM.
6. It does not support any replication method. The replication method that Derby supports is Master-Slave Replication.
7. It does not support Foreign keys. It supports Foreign keys.
8. Android, iOS, JavaScript API, RESTful HTTP API are used as APIs and other access methods. JDBC is used as APIs and other access methods.
9. It provides Immediate and Eventual Consistency concept. It provides Immediate Consistency concept.
10. It provides access rights based on authentication and database rules. It provides fine grained access rights according to SQL-standard.

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