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

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

HOW TO COMMENT THE QMF QUERIES?

ITC Infotech,

2 10315

What is difference between *omit and *nopass?

IBM, TCS,

1 7712

How to find last record before record through SQLRPGLE?

IBM,

1 9436

how to execute qcmdexc in rpgle?plz write code also?

IBM,

1 5361

How to copy one PS file to multiple PS files with same data?

1 15377

can anybody post me about file-aid and changemen tools pls and give me reference if any mainframe guys are there

2470

can anybody post me about file-aid and changemen tools pls and give me reference if any mainframe guys are there

2374

can anybody post me about file-aid and changemen tools pls and give me reference if any mainframe guys are there

1 5234

Why is GETMAIN command needed?? Will program not work if we do not give GETMAIN?

Accenture,

2 14493

What RCT Entries will you make for a CICS DB2 program??

Accenture,

1 8303

How do we pass parameters into a CICS –DB2 program

Accenture, JPMorgan Chase,

4154

How can we code a program such that we will never get a MAPFAIL error?

Accenture,

1 5677

How many ways to share information between different CICS programs?

Accenture,

3 8218

Generally we check EIBALEN = 0 to decide whether first call or not. If I do not pass any value in the COMMAREA then EIBCALEN will be 0 even on second call. Now how can we say the program is called for the first time or second time?

Accenture,

3 11701

What will happen if some program tries to process a queue on which an ENQ command has been issued by some other program?

Accenture,

2697

Un-Answered Questions { IBM MainFrame }

What is lock escalation in db2?

1029

Explain the difference between record occurrence and record type?

2055

How to execute a query in qmf at a particular time?

942

Is the order of the when clause significant in an evaluate statement?

994

How long have you been working on mainframes?

966

What is the difference between lds and esds?

1041

What is the importance of common attribute?

1072

Write a program that uses move corresponding.

1143

How can you count the number of rows from a table tab?

1087

Explain difference between read work file 1 and read work file once? Why we are using work file once?

962

What information does a dbd contain?

1024

Write the code to count the sum of n natural numbers.

1206

name the utility program closely associated with vsam?

1030

OPEN INPUT StudentFile READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ PERFORM UNTIL EndOfStudentFile DISPLAY StudentId SPACE StudentName SPACE CourseCode SPACE YOBirth READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ END-PERFORM CLOSE StudentFile STOP RUN what will be output

2510

how do you reference the rrds file formats from cobol programs

1573

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