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Introduction
Azure Cosmos DB is one of the globally distributed, multi-model database services. By using Azure Cosmos DB, we can elastically and independently scale throughput and storage across various Azure regions worldwide. We will learn more about it in this article.
Overview
Azure Cosmos DB provides comprehensive service level agreements for throughput, latency, availability, and consistency guarantees. Azure Cosmos DB supports schemaless data, which lets you build highly responsive and "Always On" applications to support constantly changing data. You can use this extraordinary feature to store updated and maintained data by users worldwide.
It is a database service that is globally distributed and offers 99.99% availability.
Features of Azure Cosmos DB
The primary and most essential features that Azure Cosmos DB offers to its international users are as follows:
Complete service and ready to use:
Azure Cosmos DB offers a complete product that is totally powered by Azure, a cloud platform that can be automatically replicated in data centers worldwide.
Multi-API:
Since the Azure Cosmos DB data is indexed automatically, users can easily access it using any API of their choice. The users can see their data using SQL, Javascript, Gremlin, MongoDB, and Azure Table Storage.
A Number of consistency levels:
Cosmos DB of Azure cloud uses five different consistency levels: strong, session, eventual, bounded staleness, and consistent prefix.
Latency:
Azure Cosmos DB offers very low latency, which is practically guaranteed at less than 10 ms when reading data and less than 15 ms when writing data.
Azure Cosmos DB can ensure you no longer depend on just one platform like MongoDB or any SQL to access the data. Some more benefits of Azure Cosmos DB are as follows:
The Competition
Many other international providers offer database services; among them, Azure Cosmos DB is one of the tough competitors of other providers. Google Cloud also has the Cloud Spanner, which was launched only recently. Amazon also stepped into this field with a new product called Amazon DynamoDB, a NoSQL database service. Along with them, Azure Cosmos DB competes with traditional database firms such as Oracle.
Pricing
We know that Azure Cosmos DB is a Platform As a Service, which means this product can promise continuous improvements with additional applications and features over time. Pricing is based on both the storage and the data throughput.
Add-on provisioning is also available with Azure CosmosDB's opt-in Provisioned Request Units per Minute feature. This component allows you to consume a bucket of requests on a per-minute basis (UTC), which is capped at 1,000 Request Units per Minute for every 100 provisioned throughput units per sec. For this service, you'll pay $0.027/hr for each unit (Reserved RUs / minute (per 1,000 RUs)). Comparing the Amazon DynamoDB's pricing:
Provisioned Throughput (Write access): As low as $0.47 per Write Capacity Unit.
Provisioned Throughput (Read access): As low as $0.09 per reading Capacity Unit.
Indexed Data Storage: As low as $0.25 per GB.
You can refer to Azure Cosmos DB's official website to get to know more about it.
Frequently Asked Questions
Where is Cosmos DB available in Azure?
Cosmos DB is available in all Azure regions worldwide, including around more than 54 regions in the public cloud.
What database can I use Cosmos DB with?
By default, we can use SQL for querying our Cosmos Database. Cosmos DB also implements APIs for Cassandra, MongoDB, Gremlin, and also for Azure Table Storage.
What are the database services available on Microsoft?
On Microsoft, we can have several database services such as Azure Cosmos DB, Azure SQL Database, Azure SQL Managed Instance, and many more.
What is the latency of Azure Cosmos DB?
Azure Cosmos DB offers very low latency, which is practically guaranteed at less than 10 ms when reading data and less than 15 ms when writing data.
What is meant by the Multi-API feature in Azure Cosmos DB?
Since the data in the Azure Cosmos DB is indexed automatically, users can easily access it using any API of their choice. The users can see their data using SQL, Javascript, Gremlin, MongoDB, and Azure Table Storage.
Conclusion
In this article, we have extensively discussed what Azure Cosmos DB is, along with its famous features and some of the benefits of using Azure Cosmos DB.
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