Relational database management systems (RDBMS) rely on an optimizer (or relational optimizer) that transforms SQL statements into executable code. Before any SQL statement can be run by the RDBMS, the ...

Traditional RDBMS technology is incapable of handling the demands of unstructured, big data. BI pros are now going beyond RDBMS and exploring new options.

Best Relational Database A relational database is a set of formally described tables from which data can be accessed or reassembled in many different ways without having to reorganize the database ...

NoSQL is a response to the dramatic growth of unstructured data within the enterprise, and promises to be the biggest challenge to the established relational database management system (RDBMS ...

Oracle Database 21c is the result of four decades of development. Oracle Database was the first commercial SQL-based relational database (1979), implemented based on a published IBM specification.

This allows any database differences to be handled by the driver developers, and not pushed back onto the software developers who wouldn't be as knowledgeable about the underlying RDBMS. JDBC vs. ODBC ...

In place of the then prevalent hierarchical database approach, in which the structure of data had to be defined within each application program, Codd’s relational database used a new query language ...