MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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MainFrame Interview Questions

Questions Answers Views Company eMail

Name a few CICS programs which are generally used ?

1007

Give certain situations where NEWCOPY is obligatory?

1067

Can a CICS code be a part of a copybook? If so, then what are the outcomes after compilation?

1069

What are the different rules of SORT operation?

1089

What is the difference between PIC 9.99 and PIC9v99?

1291

Why is it necessary that file needs to be opened in I-O mode for REWRITE?

1272

What is the Purpose of Pointer in the string?

1033

How can we find that module can be called – whether DYNAMICALLY or STATICALLY?

1174

What is the use of LINKAGE SECTION?

1 1789

Which mode is used to operate the sequential file?

1157

What is the difference between comp and comp-3 usage?

1141

What are the access modes of START statement?

1198

Which is the default, TEST BEFORE or TEST AFTER for a PERFORM statement?

1297

How arrays can be defined in COBOL?

1147

What are INPUT PROCEDURE and OUTPUT PROCEDURE?

1234

Un-Answered Questions { MainFrame }

ther r 2 tables OTTABLE & SALTABLE, add the otamt from OTTABLE to empsal of SALTABLE if eid is matched else add the unmatched from OTTABLE to SALTABLE

2017

What is the term conversational programs means?

963

How can you quickly find out the # of rows updated after an update statement?

1000

how do you reference the printer file formats from cobol programs

1158

In RPG How to read a records from a file without using read opcodes?

1482

Mention the different locking levels that are available in db2.

1086

Where the QTEMP library will get created? if the the answer is QSYS, then howcome more than one job can create same library name(QTEMP) in QSYS? what is the uniqueness of QTEMP? For example, run the below command in different workstation WRKOBJ QSYS/QTEMP And take 8 in the option to check the description. both will have different info. so where(which LIB) exactly the QTEMP is stored?

8464

When is inspect verb is used in cobol?

1191

What does reorg do in db2?

990

how many buffers are allocated to vsam ksds and esds?

1120

what parameter in the define aix option is used to determine the maximum number of duplicate keys allowable ?

960

Explain about the file objects in vsam?

1001

Explain the address converter?

961

How vsam files are read in cics pgms?

1244

Define the term mro (multi region operation)?

1042

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