Exporting Schemas using RQL Queries

• Find Leaf Classes (i.e., classes without subclasses)

select C1

from Class{C1}

where not ( C1 in (select C1

from Class{C2}

where C2 < C1) )

• Find all schema information (i.e., group related superclasses and properties for each class)

select C, superclassof^(C), (select P, range(P)

from Property{P}

where domain(P) = C)

from Class{C}

Diapositive prÈcÈdente

Diapositive suivante

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