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 is a Database Request Module(DBRM)?

4 20245

What are the different methods of accessing db2 from tso? How is the connection established between TSO & DB2?

Tech Mahindra,

3 14348

What is cursor stability?

1 8451

What are data types?

2 5417

What is a NULL value? What are the pros and cons of using NULLS?

2 9659

What are leaf pages?

3 8862

when does the SQL statement gets executed when you use cursor in the application programming ?

IBM,

3 10541

What are the disadvantages of PAGE level lock?

3 8377

In terms of DB2 indexing, what is the root page?

1 5337

I need to view the number of tables existing under one particular Owner. Is it possible? If so, pl give the SQL query for this?

2 5062

What is meant by the attachment facility?

3 9381

What is a Cartesian product?

2 10264

What is DCLGEN ?

2 6235

Can we declare DB2 HOST variable in COBOL COPY book?

2 10496

What's the Maximum Length of SQLCA and what's the content of SQLCABC?

2 18879

Un-Answered Questions { IBM MainFrame }

1.give the details about WHEN OTHER. 2. how many form are available in evaluate.

2117

What are the main uses of the transaction in the cics?

1041

What is the term “where” for?

1015

Why db2 is called db2?

1053

What are the types of important programs that are used in the cics?

1044

What are some uses of the evaluate statement? Explore the syntax of the evaluate statement?

978

Explain correlated sub-queries.

1038

What is buffer pool in the db2 database?

1113

What is the utilization of copybook in cobol?

1204

Explain the different ways of initiating transaction in cics?

953

Write a program that uses move corresponding.

1156

What is ENQ?

1086

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

1448

Explain how can the disposition of sysout datasets be set for an entire jobstream?

1099

What is the syntax of JCL statement?

1245

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