INTERVIEW QUESTIONS MAINFRAME COBOL DETAILS

Question: What is the difference between local and central version operating modes?

Answer: In local there is no IDMS System running above the DBMS. It is the more efficient mode but lacks the recovery and integrity facilities of the central version (CV) control program. In CV many application programs access the database through a single copy of the DBMS.

In local there is no IDMS System running above the DBMS. It is the more efficient mode but lacks the recovery and integrity facilities of the central version (CV) control program. In CV many application programs access the database through a single copy of the DBMS.
Source: CoolInterview.com

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