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 6129

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 10884

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

John Deere,

4 8451

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

Hewitt,

1 5900

How can u know the current date using jcl?

iNautix, Wipro,

2 14220

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

3 46305

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

Cap Gemini,

4 14535

When will we need to specify Space parameter ?

Wipro,

3 7918

Can you delete the GDG base without deleting GDG generations ?

Cap Gemini,

7 23494

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

Cap Gemini, IBM,

3 19849

What is the maximum data length for Numeric DataType ?

Cap Gemini,

3 9682

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

Wipro,

9 30597

What is the use of IEBGENER ?

Cap Gemini, Wipro,

2 9555

How can you declare the file ?

Wipro,

1 5217

How many divisions we have in Cobol ?

Wipro,

4 8875

Un-Answered Questions { IBM MainFrame }

What parameter directs the output of the job log dataset?

1283

what optimum values can we find for freespace, ci etc?

1022

How to pass the parameter in parm using linkage section ? (syntax)?

1142

What is a run unit in idms?

866

Are view updateable?

1051

Explain various types of locks in db2?

1160

Explain how do you intitiate another transaction?

1076

define cond parameter in jcl?

1280

What is db2 catalog database?

1050

What is the difference between drop table and delete table?

1218

Differentiate between PCT and FCT.

1183

Mention the types of job control statements?

1176

what JCL Procedures?

1257

Mention the length of physical storage of the given data types of db2 – date, timestamp, time

1079

Explain the difference between exec cics handle condtion and an exec cics ignore command?

1045

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