'''[Relational Algebra]'''



** See Also **

   [TclRal] , by [GAM]:   An implementation in Tcl.

   [Ratcl] ,by [JCW]:   Provides operators from Relational Algebra.

   [ycl eav], by [PYK]:   Provides a convenient interface to an in-memory or on-disk entity-attribute-value data store backed by an [DBMS], currently [sqlite].  Could be described as a dictionary of dictionaries with advanced query and management features, including the exploration of hierarchical structures in the data. 



** Resources **

   [https://en.wikipedia.org/wiki/Relational_algebra%|%Wikipedia]:   



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