What is multiple database?

Question

A multi-model database is a database that can store, index and query data in more than one model. For some time, databases have primarily supported only one model, such as: relational database, document-oriented database, graph database or triplestore. A database that combines many of these is multi-model.

Why do we need multiple databases?

Good reasons to create separate databases would be to support different availability requirements or simplify administration. For example if your databases require very different backup schedules or different recovery models. Another reason would be if you may want to run them on different instances.

What are the 4 types of database?

Four types of database management systemshierarchical database systems.network database systems.object-oriented database systems.

What are 3 types of databases?

What are the types of databases?Relational databases. Relational databases have been around since the 1970s. ... NoSQL databases. ... Cloud databases. ... Columnar databases. ... Wide column databases. ... Object-oriented databases. ... Key-value databases. ... Hierarchical databases.

What are different types of database?

Types of databasesCentralised database.Distributed database.Personal database.End-user database.Commercial database.NoSQL database.Operational database.Relational database.

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