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 6107

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 10845

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

John Deere,

4 8406

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

Hewitt,

1 5874

How can u know the current date using jcl?

iNautix, Wipro,

2 14186

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

3 46255

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

Cap Gemini,

4 14501

When will we need to specify Space parameter ?

Wipro,

3 7877

Can you delete the GDG base without deleting GDG generations ?

Cap Gemini,

7 23449

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

Cap Gemini, IBM,

3 19797

What is the maximum data length for Numeric DataType ?

Cap Gemini,

3 9645

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

Wipro,

9 30514

What is the use of IEBGENER ?

Cap Gemini, Wipro,

2 9535

How can you declare the file ?

Wipro,

1 5195

How many divisions we have in Cobol ?

Wipro,

4 8849

Un-Answered Questions { IBM MainFrame }

INREC AND OUTREC? HOW TO SPLIT 5K RECORDS TO DIFFERENT FILES IN A FILE IN COBOL? RESTART IN COBOL-DB2? ISOLATION LEVELS?

861

which cics command must be issued by the application program in order to gain access to the common work area (cwa)?

1132

Explain the function of the dd dcb keyword?

1247

How do get the result of your program directly on your pc?

2333

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

1050

How can return codes be tested before execution of a job step?

1476

There are 5 fields and 1000 records in a file. Unload it into an array. Write the syntax for declaration and how will you unload it.

1427

If anyone has IBM Certification Dumps pls forward to me & also let me know what are the Certification Codes that are available in DB2

2039

How and when does the db2 enforces the unique key?

1079

How to alter the parameters for the existing gdg?

1195

Explain cedf transaction commands?

1134

difference between tsq and tdq?

1206

Mention a credible reason why select* is never given preference in an sql program that has been embedded.

1185

How do I copy a table in db2?

994

Why include statement is used in a jcl?

1175

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