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

In an EVALUTE statement is the order of the WHEN clauses significant?

4 12715

Give some advantages of REDEFINES clause?

Syntel,

2 21042

How do you do in-line PERFORM?

Accenture,

4 18514

Explain call by context by comparing it to other calls.

1 9233

What does EXIT do ?

Deloitte,

3 13908

what is Pic 9v99 Indicates?

2 13739

What is an explicit scope terminator?

3 20443

COMP?

2 6520

What should be the sorting order for SEARCH ALL?

5 10864

How is sign stored in Packed Decimal fields and Zoned Decimal fields?

ABC, HCL, TCS,

6 38470

How do you define a table/array in COBOL?

Hexaware,

5 31649

When is a scope terminator mandatory?

3 9359

How do you submit JCL via a Cobol program?

IBM,

5 21135

What is the difference between a DYNAMIC and STATIC call in COBOL?

2 13488

Differentiate COBOL and COBOL-II?

2638

Un-Answered Questions { IBM MainFrame }

Using alternate indexes in cics program?

1072

How can the attributes of one sms dataset be copied to another dataset?

1481

How to find all duplicate records?

1041

what are bind concepts in db2 cobol?

1142

My sql statement select avg(salary) from emp yields inaccurate results. Why?

1138

What is sysplex?

969

How do you find the maximum value in a column in db2?

1157

For protecting a transaction using the transaction security function, the two things that must be done are?

2411

What types of tables are there in the db2 database?

1107

What is an ims database?

1220

What is load utility in db2?

1239

What are steplib and joblib? What for they are used?

1310

WORKING-STORAGE SECTION. 77 W-A PIC 9(3)V99 VALUE 23.75. 77 W-B PIC ZZ9V99 VALUE 123.45. PROCEDURE DIVISION. MOVE W-A TO W-B. DISPLAY W-B. STOP RUN. compiler : IGYGR1080-S A "VALUE" clause literal was not compatible with the data category o subject data item. The "VALUE" clause was discarded. WORKING-STORAGE SECTION. 77 W-A PIC 9(3)V99 VALUE 23.75. 77 W-B PIC ZZ9V99. PROCEDURE DIVISION. MOVE 123.45 TO W-B. MOVE W-A TO W-B. DISPLAY W-B. STOP RUN. 2375

1528

Explain the process in which flat files are converted into vsam files?

1069

Can we use procopt on pcb and segment field (senseg)?

1039

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