Answer:
following types of databases available in the market −
Centralised database.
Distributed database.
Personal database.
End-user database.
Commercial database.
NoSQL database.
Operational database.
Relational database.
Cloud database.
Object-oriented database.
Graph database
Answer:
The answer is open source
Explanation:
hope this helps
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Answer:
The question is a bit unclear. Are you asking how to add these values in this 2D array?
Explanation: