Rel version 3.005 now available!

This is a minor maintenance release of Rel, an implementation of Date & Darwen’s Tutorial D database language. It makes some improvements to the Rel user interface, adds some system relvars, and fixes two bugs. IMPORTANT NOTE: Once opened with this or later versions of Rel, databases cannot be read by earlier versions. The following Read more about Rel version 3.005 now available![…]

Rel version 3.004 now available!

This is a maintenance release of Rel, an implementation of Date & Darwen’s Tutorial D database language. It fixes some bugs, and provides some minor enhancements including a faster GROUP operator, the ability to use Unicode character symbols for certain operators, and makes refinements to the Rel user interface. The following enhancements have been made: Read more about Rel version 3.004 now available![…]

Rel version 3.003 is now available!

This is a maintenance release of Rel, an implementation of Date & Darwen’s Tutorial D database language. The most significant new feature is the ability to connect to external CSV files, XLS and XLSX spreadsheets, Microsoft Access databases, and JDBC database connections, and represent their contents as relation-valued variables (aka relvars). Facilities have also been Read more about Rel version 3.003 is now available![…]

Rel version 3.002 is now available!

This is a minor maintenance release of Rel, an implementation of Date & Darwen’s Tutorial D database language. The following enhancements have been made: The Rel user interface can now load a specified database from the operating system command-line. E.g.: Rel “c:\Users\Dave\My Database” The Rel user interface now provides an option to specify that the user’s Read more about Rel version 3.002 is now available![…]

Rel version 3.001 is now available!

This is a minor maintenance release of Rel, an implementation of Date & Darwen’s Tutorial D database language. The following enhancements have been made: – A startup progress bar displays whilst the Rel user interface is loading. On slow machines, this makes it clear that loading is progressing and not stuck. – More detailed crash Read more about Rel version 3.001 is now available![…]