![]() Related Questions A set is an owner record and, optionally, its member records. There are three types of pointers: next, prior and owner, but only next is required. There are five possible orders for arrangements of sets; Latest Answer : A.By Codasyl conception SET is data chain between Owner and Member record. B.Pointers: NEXT,PRIOR,OWNER(direct adresation to OWNER_RECORD from MEMBER).At least NEXT pointer is requered to navigate via set.C. Number of sets really is unlimited. ... IDD is the Integrated Data Dictionary. It contains information about the elements, record types, sets, maps and dialogues within the database. Latest Answer : Integrated Dictionary Directory. IDD - it is metaschema where are stored other "entities" of IDMS components - elements, records, maps,dialogs,areas, subschemas, schemas. ... It will connect to all sets where it is defined as an automatic member. The store requires that currency be established for all these set occurrences. Erase cancels the membership of a record in specific set occurrences and removes only the named record. Erase permanent removes the specific record and all mandatory occurrences it owns. It disconnects
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