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Question

Difficulty: EasyAzure Database Services (Relational, Non-Relational, and Cosmos DB)

A company needs to store data in a non-relational (NoSQL) database that supports multi-model APIs and offers global scale. Which Azure database service should the company use?

  1. Azure Cosmos DBAnswer
  2. B
    Azure SQL Database
  3. C
    SQL Server on Azure Virtual Machines
  4. D
    Azure Database for PostgreSQL

Answer

Azure Cosmos DB
Azure Cosmos DB is Microsoft's globally distributed, multi-model NoSQL database service. It is designed to support non-relational data structures, single-digit millisecond latency, and multiple APIs (such as MongoDB, Cassandra, and Gremlin).

Step-by-Step Solution

1
Identify the key requirement in the scenario, which is a non-relational (NoSQL) database that supports multi-model APIs and global scale.
The target database type is NoSQL with multi-API support.
Filtering database options by their data model is the first step to selecting the correct service.
2
Evaluate the available Azure database services to find the one that fits a NoSQL multi-API model.
Azure Cosmos DB is identified as the NoSQL option, while Azure SQL Database, SQL Server on Azure VMs, and Azure Database for PostgreSQL are relational database services.
This distinguishes the relational services from the non-relational services.

Key Concept

Azure Database Services (Relational, Non-Relational, and Cosmos DB)
Estimated Time:45s
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Topics

Azure Database Services (Relational, Non-Relational, and Cosmos DB)

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