Searching for "IDMS"

Q:

What is currency in IDMS?

Answer

Currency is the location within the database during run-unit execution.


There are four levels of currency:


- Current of run-unit is the record occurrence of the last successful find or obtain;


- Current of record type is for the most recent of each record type;


- Current of record set is the most recent within each set 


- Current of area is within each area.

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Q:

What is a junction record in IDMS?

Answer

A junction record is a member record type that allows for many-to-many relationship between its two owner records.

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Q:

What is the IDD in IDMS?

Answer

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

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Q:

How does IDMS insure data integrity?

Answer

IDMS uses record locks to prevent another run-unit from updating the same record.

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Q:

If you are current on the owner of a set, what is the difference between an obtain next and obtain first in IDMS?

Answer

No difference. There is a difference between obtain first and obtain next for an area sweep, but not when current on the owner in a set.

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Q:

What is the meaning of Copy IDMS Subschema-Binds?

Answer

It generates a bind run-unit and binds all the records for the sub-schema the program is referencing.

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Q:

Is there a application program coding difference between local and central version mode in IDMS?

Answer

No. The mode is specified via the SYSCTL DD card in the JCL.

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Q:

What is an OOK-Rec in IDMS?

Answer

An OOK-Rec is a one of a kind record set, used to get to another record set.

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