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

What are the two ways in which dl/i interface can be invoked?

941

What are the retrieval sequences in ims db?

1348

What is psb?

1023

What are the path calls in imsdb?

2 2287

What does the 'cemt:cics' transactions do?

1199

What is the eib parameter?

1045

What does the 'ceci:cics' transactions do?

1096

What does the 'cedf:cics' transactions do?

1062

Kindly specify the pic clause for the data type of length option field type of data fields?

1144

What are the recoverable cics resources?

1014

How to get the cursor position when we receive a map?

1076

Db2 what is the difference between a package and a plan. How does one bind 2 versions of a cics transaction with the same module name in two different cicsregions that share the same db2 subsystem?

1125

What is the difference between a return with transid and xctl?

1063

How many ways are there for initiating a transaction?

1044

How to establish dynamic cursor position on a map?

1068

Un-Answered Questions { IBM MainFrame }

What is maximum displacement and how to cross this limit?

1173

What is dbid used in adabas?

941

What are INPUT PROCEDURE and OUTPUT PROCEDURE?

1293

Explain the difference between a schema and a subschema in idms?

829

Why do we need integrated cics translator?

1053

What is the use of commit in db2?

1073

What is mainframe database?

901

What is the main function of key-sequenced data set?

1021

Explain foreign keys?

1011

What parameters are used to control the free space in DB2?

1054

What is difference between static call and dynamic call?

1027

What is the purpose of dd * statement in jcl?

1285

What is clone table?

1036

Mention the types of job control statements?

1171

when you compile a cics program, the (pre) compiler puts an extra chunk of code. Where does it get included and that is it called? What is its length?

1108

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