Both of these offerings offer a managed database experience, where you just spin up a database and don’t have to worry about keeping it up and running. Relatively new database offerings in Azure are those for PostgreSQL and MySQL. Additionally, Azure SQL Database offers geo-replication, which enables you to create read-only replicas of your databases in other geographic regions, which can help to improve geographic performance.Īzure SQL Database is a great service for storing and retrieving complex, relational data, potentially optimized for geographic performance. It also offers dynamic data masking which you can use to mask sensitive data, like credit card information for certain users, without affecting any of the querying capabilities.Īzure SQL Databases can be extremely performant, especially when you use the In-Memory OTLP feature that allows you to store and retrieve data from memory, just like a cache does. Azure SQL Database is a very mature and advanced database.Īdditional to being a great place to store relational data, it offers advanced capabilities like automatic indexing, just like Cosmos DB does. You store data in tables with rows and columns and you can use stored procedures, user-defined functions and all of the T-SQL language spec. When you need to store relational data in a transactional manner with advanced querying capabilities, Azure SQL Database is the service for you.Īzure SQL Database is the fully managed cloud equivalent of the on-premises SQL Server product that has been around for decades, and Azure SQL database has been around since the beginning of Azure. In summary, Cosmos DB is great at storing and retrieving complex, non-relational data that potentially needs geographic performance. Keep in mind though, that replicas are always read-only replicas, and you only have one writable node.
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And better yet, you can keep communicating with your app as you did before and Cosmos DB will figure out which database in which region is the most performant for you. You just indicate the region and data are replicated in real-time. On top of this, performance is part of the SLA, where Microsoft promises a maximum of 10ms latency for reading operations and 15ms latency for write operations.Īdditionally, it is very easy to create a geographic performance by having Cosmos DB replicate data to another region. There is no need for you to tune your database, this happens automatically. The database itself is highly performant, regardless of the API that you use and takes care of indexes automatically. This means that if you now have an app that stores data in Gremlin, you can just point that app to a Cosmos DB instance and take advantage of all the additional features.Īnother notable thing about Cosmos DB is the focus on performance. You can use the original (SQL-like) DocumentDB query language, JavaScript, Gremlin, MongoDB and Table Storage. One very appealing aspect of Cosmos DB is that you can use different APIs to talk to it. If you want to store non-relational data and use that all over the world with great performance than Azure Cosmos DB is the database for you.Ĭosmos DB is the rebranding of DocumentDB and adds lots of features. In general, Azure Storage is highly performant and inexpensive but offers limited querying capabilities. This ensures that your data is safe in case of failure or disaster. You can choose to also have the storage replicate to another data center using the Geo-redundant storage tier, which then also creates 3 copies of your data in a secondary data center, making the total number of copies 6. Additionally, by default, everything you store in Azure Storage is replicated 3 times within the chosen data center. Disk Storage is optimized for high I/O operations and can be used as a hard disk for a VM, like a serverĪll of these services share common features, like data encryption at rest and authentication and authorization.It is very useful to use for lifting and shifting applications into the cloud Based on the SMB protocol, File Storage is meant to be mounted as a disk in a VM.Queue Storage can help to decouple your applications
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Meant for storing small messages that are picked up by other applications.Useful for storing files, small and large, like audio, video or VHD files.They are described in this post, and here is a summary of them: If you need to store files and small rows of data at large scale, without advanced query capabilities, Azure Storage is your best bet.Īzure Storage consists out of multiple services that are each optimized for a certain usage scenario.