oop - When using object identifiers (OIDs) to manage object relationships in a relational database? -



oop - When using object identifiers (OIDs) to manage object relationships in a relational database? -

when using object identifiers (oids) manage object relationships in relational database, 1 of next characteristics should oids not have? selection 1: stored separately in reference table selection 2: become key of table storing object selection 3: numeric or @ to the lowest degree incremented selection 4: have no business meaning selection 5: unique objects in classes

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