This is reserved for quasi-relational implementations that are still somewhat better than the current state of the art -- meaning, at the moment, anything less in violation of the model than SQL.
Java in-memory SQL92 DBMS with sane NULLs processing. Purports to actually strive to follow Codd's rules.
An incomplete relational algebra DBMS. [Free software, GNU GPL]
Portable relational database management system without arbitrary limits that runs under POSIX operating systems. It uses the Operator-Stream Paradigm.
A very simple quasi-relational DBMS based on Unix shell commands.
Starbase Data Tables
An ASCII quasi-relational database for POSIX.
The first implementation corrupted from the relational model, was the basis for SQL and DB2. A site preserving early history of a technology that became a critical business tool.
Last update:May 2, 2016 at 17:05:44 UTC