IDD is the Integrated Data Dictionary. It contains information about the elements, record types, sets, maps and dialogues within the database.

Algis Kantautas

• Mar 21st, 2007

Integrated Dictionary Directory. IDD - it is metaschema where are stored other "entities" of IDMS components -  elements, records, maps,dialogs,areas, subschemas, schemas.

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Calc is based on a symbolic value which is used to determine the target page. Via mode is for members only. Via records are stored near to their owners. In direct mode the target is specified by the user and is stored as close as possible to that page.

rohit

• Mar 8th, 2007

three modes calc,via,direstcalc: here any fileld value in the record is converted into a combination of page no and line no by means of a hashing algo... to be  staright one can access the record...

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Region is used synonymously with area. It is a group of logically contiguous pages.

test

• Jun 23rd, 2005

Regarding Server Move

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