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What is Azure Cosmos DB?
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Azure Cosmos DB is Microsoft's globally distributed, cloud-native database service designed for applications that require low-latency access, elastic scalability, and high availability. It is particularly suited to modern applications that handle large amounts of semi-structured or rapidly changing data.
Cosmos DB supports multiple data models and APIs, allowing developers to build applications using approaches such as NoSQL document data, MongoDB-compatible workloads, and other supported APIs. Its distributed architecture allows data to be replicated across Azure regions to support geographically distributed applications.
Important concepts include:
Partition keys
Request Units (RUs)
Global distribution
Consistency levels
Automatic scaling
Time-to-Live (TTL)
High availability
Answers
Azure Cosmos DB is Microsoft's globally distributed NoSQL database service designed for applications requiring low latency, high availability, and massive scalability.
It supports multiple data models including:
Document
Key-Value
Graph
Column Family
Cosmos DB automatically replicates data across Azure regions, provides single-digit millisecond response times, and offers configurable consistency levels.
It is widely used for IoT applications, gaming, financial systems, e-commerce platforms, and globally distributed enterprise applications.
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