Microsoft SQL Server is a relational database that allows you to leverage dependencies between diverse types of data. It also features a high level of performance and a wide range of functionality. The Microsoft SQL Server component worth paying special attention to is the SQL Server Database Engine. It allows you to monitor security during data storage and processing. The software also includes a number of BI analytic tools that allow you to perform data visualizations, making it easier for specialists to present the results of their work to their teams.
PostgreSQL is a relational database management system that is an extension of SQL. It incorporates many features that allow secure storage and scalability of complex data sets. PostgreSQL is a reliable system that can take care of data integrity, making it an excellent tool for database administrators. There is a large open source community associated with PostgreSQL, which is constantly developing it and adding needed functionality. Many indexes in the system have defined APIs, so you can build on top of PostgreSQL what you need at the moment.
Oracle Database Server is a tool for managing relational databases. The main advantage of Oracle Database Server is that it contains a lot of convenient functionalities. That is why it is so popular among users. It is a relatively inexpensive and accessible tool that also offers high uptime and easy data security management. It prevents unauthorized access and allows monitoring of user access. Note also that Oracle is compatible with many other systems and provides database integrity, so you can utilize data from different sources.