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?

1174

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

1142

What is Cataloged Procedures?

1169

What is the syntax of JCL statement?

1236

what is the use of IEBGENER utility?

1174

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

1170

what is DD statement is used in JCL?

1200

what is the use of JCL?

1158

Is it possible to code instream data in a PROC?

1332

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

1463

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

1198

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 ?

1546

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

1258

How do you overcome this limitation ?

1206

What is NOTCAT ?

1334

Un-Answered Questions { IBM MainFrame }

What is the difference between local and central version operating modes?

1314

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

1109

What is the use of tdq and tsq?

1113

How many types of evaluate statements are available?

992

System Testing for Mainframe Developers What is System Testing? integration testing ? what's the procedure ..

2079

What is buffer pool and list some of them?

1028

what is the meaning, the advantages and which are the types of evaluate statement?

1061

What is a region in idms?

895

Cursors can be declared in both working-storage & procedure division, agreed. But is there any difference? If could you please suggest what is the difference

1439

How to Provide Column Names Using the DRAW Command ?

1535

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

1049

What are concurrency issues?

1097

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

1506

How to retrieve rows from a db2 table in embedded sql?

1393

What is meant by comp-3 and what is it used for?

1037

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