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

COBOL (1072)
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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)
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IBM MainFrame Interview Questions

Questions Answers Views Company eMail

I have File 1 occurs 5 times with Employee-ID,Employee-Name,Employee-Dept (EEE and MECH). I have File 2 occurs 10 times with Employee-ID,Employee-Name,Employee-Dept (EEE,CIVIL,CHEMICAL and MECH). In FIle 1 and FIle 2 , for matching Employee-DEPT (Only MECH) , we need to move entire records from file1 to file 2. We should not use 2D array. Your help is needed here.

Steria,

1520

Hi Guys, I have faced one interview question if I have requirement to add 5 new columns to existing table what are prerequisite do i need to take.

1 2839

Difference between file status codes 02 and 22.... since both are for duplicate key detection.

1 3029

what is the use of keep and pass in disp

1 2747

How to create delta file using JCL

CTC,

1 3513

How can you find out which query is taking lot of time to execute in cobol-db2 program ?

Danske,

1 3601

Which command can you use to check for the number of records in a physical file?

1284

Difference between array and sub-script ?

HCL,

1615

Extract only those records from a PS file which are having word 'TEXT' in the records using COBOL? The word TEXT is not present in a particular position in all the records.

RBS,

2 3735

Write a query to extract first 5 characters of a name in the column Stud_Name?

RBS,

1 2612

interview type questions like basics&deep

TetraSoft,

1389

mainframe questions like basic&depth

TetraSoft,

1564

by using cond parameter maximum 8 cond can be coded in single cond means ?explain

1411

which is Best IBM Mainframe Training and Placement Institute in Ameerpet Hyderabad

1469

Read a flat file and write last but one (I have n records in a file I have to write n-1th) record in another flat file. Could you please provide me the code in COBOL?

1 2553

Un-Answered Questions { IBM MainFrame }

In COBOL programming, what is PERFORM? What is VARYING?

1100

What is meant by PPT and what are its uses?

1046

Is length = 0 sufficient to ascertain that the field has been modified?

1025

Mention the various locks that are available in db2.

985

Explain dclgen.

1152

What are the uses of db2 optimizer?

1244

How to access db2 tables in mainframe?

1011

What is inspect in cobol ?

1257

What is the syntax for creating a table in the db2 database?

1073

What is db2 look?

979

What are steplib and joblib?

1127

Which isolation level provides highest data integrity?

1057

How can values be passed from the job stream to an executable program?

1389

if we display var1 then what will b displayed in below condition. 77 var1 pic s9(2) value -10. 77 var1 pic s9(2) value -11. " " " -12. " " " -13. -14 ... ... -19.

6477

what will happen if there is no secondary allocation made for datasets?

1072

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