1. Microsoft SQL Server
Microsoft SQL Server is a Relational Database Management System developed by Microsoft
Microsoft SQL Server is available in “Mainstream editions” and in “Specialized editions”
Used widely in Web Application Development, Enterprise Application Development and for Business Intelligence
Microsoft Azure SQL Database is the cloud-based version of Microsoft SQL Server, presented as a platform as a service offering on Microsoft Azure.
SQL Server Web Edition is a low-Total Cost Of Ownership option for Web hosting
2. Oracle Database
Oracle Database is a multi-model database management system produced and marketed by Oracle Corporation.
Oracle is the most widely used commercial Relational Database Management system (RDBMS)
Oracle is mainly used for Online Transaction processing (OLTP), Data Warehousing (DW) and mixture of OLTP & DW database workloads.
Its supports unix, linux and windows platform
3. PostgreSQL Database
PostgreSQL also known as Postgres, is a free and open-source Relational Database Management System (RDBMS).
Postgres was developed in University of California, Berkeley
PostgreSQL features transactions with Atomicity, Consistency, Isolation, Durability (ACID) properties
PostgreSQL is the default database for macOS Server and is also available for Windows, Linux, FreeBSD, and OpenBSD.
4. MySQL Database
MySQL is an open-source relational database management system (RDBMS)
MySQL is offered under two different editions "Open Source" by MYSQL Community Server and the proprietary "Enterprise Server“
MySQL is now owned by Oracle Corporation.
LAMP web application software stack which is an acronym for Linux, Apache, MySQL, Perl/PHP/Python
5. MongoDB
MongoDB is a source-available cross-platform document-oriented database
MongoDB is developed by MongoDB Inc
MongoDB is classified as “NoSQL” database
MongoDB is widely used in web application development
