Ideas for implementation of a MultiParadigmDatabaseImplementation.
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'''Use Existing RDBMS:'''

Rather than start from scratch, a common shortcut proposal is to use existing RDBMS and put a MPD-to-SQL translator on top of it, at least to build a proof-of-concept version.

'''Suggestion #1'''

 columns (table)
 ---------------
 rowRef   // f.k. to rows.rowID
 colRef
 numberVrsn   // Numerical representation if applic. (Double Precision)
 textVrsn

 rows (table)
 -------------
 rowID   // auto-number
 rowText  // full string of name/value pairs in format: aaa="foo",bbb=7,ccc="etc"

[under construc