1. Oracle: Oracle started in 1979.It is one of the best RDBMS, and it can run on many platforms. This database is much more competitive and Enterprise database system which has lots of features embedded into it. Oracle 12c is designed for managing databases as a cloud. It can be provisioned very rapidly and can be made ready in minutes. Oracle is performance wise much better and is scalable.
2. Microsoft SQL Server: It is a much more comprehensive database platform which provides data management and integrated BI tools. The Latest version SQL Server 2016 helps different enterprises to build critical applications with proper security and high performance. It is also in data analytics and data warehousing.
3. IBM DB2: This database is more cost-effective and flexible for business and analytics operations. It is used by many of the multi-national companies and insurance companies for their business intelligence works. The latest released version is IBM DB2 11.1 and is the fully optimized version.
4. SAP Sybase ASE: It is previously known as Sybase. It is a very high performance and robust database software and gives the clients a huge advantage by lowering the costs and risks associated with it. It was mainly used in investment banks like Wells Fargo. It was very popular during the initial phases, but suddenly it lost its popularity and was later sold to SAP.
5. Teradata: The first Teradata database was created for Wal-Mart in 1992. It is a very large Database system and is much powerful. Nowadays the demand of Big data and IOT is very high which keeps its main focus on decision-making and analytics. Different data warehouses and intelligent systems are powered by Teradata.
6. MYSQL: This database started as niche database software for the developers. This database is most commonly used in dynamic and e-commerce website developing. MySQL is now under the hand of Oracle, but still, it maintains its independence.
7.PostgreSQL: It is an object-relational database. PostgreSQL possesses some of the high profile duties at Yahoo and Skype. It can run on different operating systems like Windows, Solaris, and FreeBSD. It also supports ACID properties for database transactions and supports the high concurrent load.
8. MariaDB: It is an open-source database software. It was started in 2009, and initially, it was taken care by the developers of MySQL. This database was main popular at the expense of MySQL. In 2013 RHEL ditched MySQL for MariaDB. IT has much-enhanced query optimizer and also performs much better than MySQL due to which it has taken the lead over MySQL. The new version 10.1 has much better security and safeguards against the attack of data and also is very fast and highly reliable.
9. Informix: This database is now under IBM. It is an object-oriented database. This database is used in many of the high-profile OLTP applications in transportation, retail, finance, energy sector. The latest version of IBM Informix that is in use is 10.12
10 FileMaker: This is a relational database of FileMaker Inc. It has a database engine along with a GUI. Initially, it was designed for DOS, and then it came for Windows and Mac OS. FileMaker lost its demand for Windows market, and now it’s a subsidiary of Apple.