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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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Subject: Mainframe Interview

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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Q:

How does IDMS communicate with CICS?

Answer

They communicate via service MVS request calls.

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Q:

What is autostatus in IDMS?

Answer

Autostatus is a protocol mode which causes the expansion of each DML statement to include a 'perform IDMS-Status' statement.

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Q:

What guidelines should be followed to write a structured COBOL program ?

Answer

Following guidelines to be following while writing Cobol program:


- Use ? EVALUATE ? statement for constructing cases.


- Use scope terminators for nesting.


- Use in-line Perform statement for writing ?do? constructions.


- Use Test Before and Test After in the Perform statement while writing Do-While statements.

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Q:

What are the differences between COBOL and COBOL II?

Answer

There are some differences:


COBOL II supports structured programming by using in line Performs and explicit scope terminators. It introduces new features (EVALUATE, SET. TO TRUE, CALL BY CONTEXT, etc). It permits programs to be loaded and addressed above the 16-megabyte line .  It does not support many old features (READY TRACE, REPORT-WRITER, ISAM, etc.). It offers enhanced CICS support.

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Q:

What divisions, sections and paragraphs are mandatory for a COBOL program?

Answer

IDENTIFICATION DIVISION and PROGRAM-ID paragraph are mandatory for a compilation error free COBOL program.

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