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 difference between Plan and Package

Syntel,

1 6230

How do run the JCL which has 25 steps by skipping the following steps 5, 10,15 and 25 without using COND statement

Syntel,

5 11043

file status 00 is checked after opening the file or reading the file

John Deere,

4 8625

how can you save the query in QMF?IS IT POSSIBLE OR NOT.IF POSSIBLW HOW?

Hewitt,

1 5975

How can u know the current date using jcl?

iNautix, Wipro,

2 14346

What is -904 sql code? How to resolve it?

3 46538

What are the common keyword parameters in both job and exec statements

Cap Gemini,

4 14695

When will we need to specify Space parameter ?

Wipro,

3 8063

Can you delete the GDG base without deleting GDG generations ?

Cap Gemini,

7 23739

In how ways you can pass the data from Jcl to cobol ?

Cap Gemini, IBM,

3 19998

What is the maximum data length for Numeric DataType ?

Cap Gemini,

3 9806

01 a pic s9(5) occupies how many bytes ?

Wipro,

9 30879

What is the use of IEBGENER ?

Cap Gemini, Wipro,

2 9656

How can you declare the file ?

Wipro,

1 5324

How many divisions we have in Cobol ?

Wipro,

4 9072

Un-Answered Questions { IBM MainFrame }

How and when does the db2 enforces the unique key?

1145

State the maximum number of tables that can be joined?

1043

What is the advantage in De-normalizing tables in DB2?

1240

What is concurrency?

1307

What are the prerogatives?

1133

Tell me abt any another framework which is challening for Ibm framework

2164

Can a Search can be done on a table with or without Index?

1335

What is dclgen in db2?

1201

What is dbrm? What it contains? When it will be created?

1109

Can you explain function of iebgener?

1080

Name the cics command used to access current date and time?

1223

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

1030

how will you find a particular line in debugging if its a infinite loop

1820

What is the difference between goback, stop run and exit program in cobol?

1649

Tell about how do you eliminate the duplicates?

1068

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