> Gaps? First, to avoid a misunderstanding: whereas map keys must not be the > empty sequence, map values may.
Special data sources might contain challenges for further clarification of the desired referential integrity. Regards, Markus
> Gaps? First, to avoid a misunderstanding: whereas map keys must not be the > empty sequence, map values may.
Special data sources might contain challenges for further clarification of the desired referential integrity. Regards, Markus