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

Can the OCCURS clause be at the 01 level?

Oracle,

8 21831

Can you define multiple maps in a BMS mapset?

CTS,

6 16580

I want to fetch the 10th row of a table which has been changed.How can I do it without going thru all the rows.

5 10536

I am getting a error multiple row fetched while executing a Cobol-DB2 program.How can I solve it without using a cursor.

8 20642

Can we find specific member without knowing the name of PDS or can we search a member to which PDS it belongs to? if so how?

6 18010

How to create a table using embedded sql?

1 5821

i have two file one is ksds another one is esds i want store matching records in flat file how to you matching.

Wipro,

2 10264

i have five step in jcl.my forth step is gdg.gdg was abend.when will job complete,hoe to handle you

L&T, Wipro,

3 12102

In one of intervie, my interviwer asked, I have a file which contains 4 records I would like to split the 4 different outputs for each record how to do?

Cap Gemini, Cognizant, JPMorgan Chase, TCS, Xansa,

14 33149

how will u find out 3rd week's 2nd day using occurs ?

L&T,

3 9592

Read filea And file b write the same records in both files? Records in a but not in b record in b but not in a

TCS,

3 8569

How will you find the currepted records in a file

2 6548

perform I from 0 by 1 until I=5?How maney times it will executes

8 15511

syntax for all WRITE COMMAND in natural language

7 15975

How to resolve SQL Code -310. The db table feild is declared as Decimal(7,2).

IBM, Infosys,

2 33436

Un-Answered Questions { IBM MainFrame }

How can tablespace be moved to another dasd volume that is allocated for that tablespace?

1182

What is the best way to code to provide me the info that there are disks in the array failing or failed? How to code? Run in batch?

754

What is the difference between cursor stability and repeatable read isolation levels?

1116

How do you round the addition or subtraction of two numbers in assembler?

974

How does jcl act on a cobol code?

1108

What is inspect?

958

What is CICS ?

928

What is catalog database in db2?

1102

What is the function of //cntl statement?

1273

What are the functions available in rexx?

882

input 1 input2 ouput1 output2 output 3 1 re 300 1 re 200 1 re 300 3 rc 500 1 re 200 2 rr 400 1 re 300 2 rr 400 1 rc 400 3 rc 500 1 rc 400 2 rr 700 2 rr 700 5 tt 900 5 tt 900 2 inputs r in flat file and output 1 is matched records,ouptput2 is unmatched of input1,output3 is unmatched of input2! how vl u get the output files using sequential order and to check with each and every records! let me know the procedure division ?

2255

Tell me how many alternate indexes you can have on a dataset?

1044

When you are obtaining next within a set and get a end of set return code, on what record are you now current?

1328

10. Why mainframe testing is so important? Give any three advantages of Mainframe Testing?

3494

What are the different rules to perform a Search?

1050

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