Azure Cosmos DB is a fully managed NoSQL database for modern, highly scalable application development.
Elasticsearch is a powerful tool for performing searches and data analysis, it was built to work with large volumes of data, allowing you to index documents and perform searches on these documents very close to real time.
MongoDB is a cross-platform document-oriented database. Classified as a NoSQL database program, MongoDB uses JSON-like documents with optional schemas.
MySQL is an open-source relational database management system.
Oracle is a multi-model database management system produced and marketed by Oracle Corporation.
