Non-Relational Data Concepts

Question 1

What is Azure Cosmos DB?

Answer 1

• Globally distributed NoSQL database service
• Multiple consistency levels
• Supports multiple APIs (SQL, MongoDB, Cassandra, etc.)
• Automatic scaling
• 99.999% availbility SLA (Service-level Agreement)

Question 2

What are the main types of NoSQL databases?

Answer 2

• Document databases (store JSON-like documents)
• Key-value stores (simple key-value pairs)
• Column-family stores (columns grouped into families)
• Graph databases (nodes and edges)