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

Mention the types of job control statements?

1170

Explain in DD statement what is the use of DCB parameter?

1133

What is Cataloged Procedures?

1160

What is the syntax of JCL statement?

1229

what is the use of IEBGENER utility?

1165

what EXEC statement is and what is the syntax of EXEC statement used in JCL?

1162

what is DD statement is used in JCL?

1191

what is the use of JCL?

1151

Is it possible to code instream data in a PROC?

1325

When you specify multiple datasets in a JOBLIB or STEPLIB, what factor determines the order?

1457

I have a COBOL program that ACCEPTs some input data. How do you code the JCL statement for this?

1190

The disp in the JCL is MOD and the program opens the file in OUTPUT mode. What happens ? The disp in the JCL is SHR and the pgm opens the file in EXTEND mode. What happens ?

1540

How do you run a COBOL batch program from a JCL? How do you run a COBOL/DB2 program?

1252

How do you overcome this limitation ?

1201

What is NOTCAT ?

1320

Un-Answered Questions { IBM MainFrame }

Explain the difference between using the read command with into option and set option?

1021

Define an associator in adabas?

951

differentiate between sequential files and esds files in vsam?

1165

Name and explain the type of locks?

953

Explain the function of the relative record data set?

926

WHAT IS THE PROCESS OF "CLAIM PROCESSING SYSTEM"

2390

What is table space in db2?

1014

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

1036

What is the utilization of copybook in cobol? Could we utilize a similar copybook?

1225

Expalin about Ibm frameworkinh working & is it platform independant & open source?

2071

Explain the difference between record occurrence and record type in idms?

859

What is the usage of comp fields in cobol?

1179

hi,what is the module? how many modules in mainframe based banking projects

2989

What is the use of the program list table?

1074

please..could u give an example about USAGE IS POINTER ..and explain why and when we use it ?

2465

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