RDBMS
The classical and well-established form of a database is a relational database management system (RDBMS). In devonfw we recommend to use an RDBMS unless you have specific need. However, in case you have the need for big data, graph-data, BLOB focus, or schema-less dynamic data you can have a look at NoSQL options but be aware that these may be experimental and are not fully supported by devonfw.
Options
In devonfw we are not biased for a particular RDBMS so you have the freedom of choice. Here are the most common options:
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SAP Hana (high performance in-memory, many advanced features)
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Oracle (most established, well featured for enterprise)
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PostgreSQL (great open-source RDBMS)
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MariaDB (true OSS successor of MySQL)
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MS SQL Server (best choice for Microsoft and Windows dominated IT landscapes)
Please click on any of the above choices and go to the according guide to find specific detials such as client/driver.