Azure Cosmos DB Tools – List of tools Note: You can not access Cosmos DB from Azure Storage Explorer (ASE) any more. That feature has been depreciated. Microsoft Azure Portal CosmosDB Explorer Azure Databases extension for VS Code Need to download extension for VS Code. Access container and item from Visual Studio Code. Azure Data Factory Copy... » read more

CosmosDB Trigger Azure Function

Get specified field value… Note: Make sure you installed the Microsoft.Azure.WebJobs.Extensions.CosmosDB package. Created a CosmosDB connection string (Get string value from Azure Portal). Created a container called “leases” or set CreateLeaseCollectionIfNotExists =true.

Azure Function fails with error message collection doesn’t exist

Azure Function fails with error message collection doesn’t exist Azure Function fails with error message “Either the source collection ‘collection-name’ (in database ‘database-name’) or the lease collection ‘collection2-name’ (in database ‘database2-name’) does not exist. Both collections must exist before the listener starts. To automatically create the lease collection, set ‘CreateLeaseCollectionIfNotExists’ to ‘true'” This means that... » read more

Azure NoSQL CosmoDB Item Fields

Field Description Example /<OrderId> Primary KeyRequiredUser Provide 1001 id ID FieldAuto Generated or User Provide 6ad5da95-3a13-4eb0-a513-f8012b3b091j _rid Auto Generated HJ9mAKPzQnYHAAAAAAAAAA== _self Auto Generated dbs/HJ9mAA==/colls/HJ9mAKPzQnY=/docs/HJ9mAKPzQnYHAAAAAAAAAA==/ _etag Auto Generated \”b001a8e2-0000-0700-0000-610ac3870000\” _attachments Auto Generated attachments/ _ts Auto Generated 1628095367 Note: A partition key that distributes data evenly to each partition. Selecting the correct partition key is important in... » read more

Azure Cosmos DB free tier

Azure Cosmos DB free tier makes it easy to get started, develop, test your applications, or even run small production workloads for free. When free tier is enabled on an account, you’ll get the first 1000 RU/s and 25 GB of storage in the account for free. The throughput and storage consumed beyond these limits... » read more

Azure Cosmos DB

Azure Cosmos DB is Microsoft’s proprietary globally-distributed, multi-model database service “for managing data at planet-scale” launched in May 2017. It is schema-agnostic, horizontally scalable, and generally classified as a NoSQL database. Azure Cosmos DB is a fully managed NoSQL database service for modern app development. Get guaranteed single-digit millisecond response times and 99.999-percent availability, backed... » read more


What is NoSQL? NoSQL is a non-relational DMS, that does not require a fixed schema, avoids joins, and is easy to scale. NoSQL database is used for distributed data stores with humongous data storage needs. NoSQL is used for Big data and real-time web apps. For example companies like Twitter, Facebook, Google that collect terabytes of... » read more

Google Firebase

Firebase is a mobile and web application development platform developed by Firebase, Inc. in 2011, then acquired by Google in 2014. As of October 2018, the Firebase platform has 18 products, which are used by 1.5 million apps.  Firebase provides a realtime database and backend as a service. The service provides application developers an API that... » read more

Massively Parallel Processing (MPP)

MPP database is a type of database or data warehouse where the data and processing power are split up among several different nodes (servers), with one leader node and one or many compute nodes. MPP databases can scale horizontally by adding more compute resources (nodes), rather than having to worry about upgrading to more and more... » read more


MongoDB is a free and open-source cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents with schemata. MongoDB is developed by MongoDB Inc., and is published under a combination of the Server Side Public License and the Apache License. Wikipedia MongoDB AtlasGlobal Cloud Database Deploy, operate, and scale a MongoDB... » read more