IBM MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

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OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

Say CUST Table contains records like: CUSTNO CUSTNAME CUSTLOC 100 ABC SSS 200 XYZ 300 PQR 400 MNO WWW 500 CVV ------------- ------------- Now write a query to retrieve all records with CUSTLOC no data.

IBM,

3 8162

How do you find out whether two Data Sets are having exact Data through ISPF Panel? (Say No of Records, Record Data exactly matching including spaces)

IBM,

8 21022

What are differences between Static Call and Dynamic Call?

IBM, KBC, Keane India Ltd, Verizon,

10 28993

What are differences between QMF and SPUFI?

IBM,

11 41213

What are all things you can do with CEDA?

IBM,

2 10138

Have you entered any program names in PPT or PCT? If so How?

IBM,

2 9935

Wrete a JCL to compare two files and mached records move to onc file & un mached rows wants to another file?

CGI, DSRC, IBM,

13 122258

How to insert more than one record using insert?

Atos Origin, IBM,

7 14358

How to update more then one record using update?

IBM,

5 11764

How to createing new version of GDG with out loosing the data in preaves GDG version?

Patni, Satyam,

7 20143

hi guys what r the diff types of procs in jcl? bye ramya

ACS, Keane India Ltd,

4 10030

what is meant by online job and batch job?

TCS,

4 11674

is it possible to rename 01 level?

4 10943

in how many mode we can open a file ?

4 8821

what is the purpose of linkage section?

10 20125

Un-Answered Questions { IBM MainFrame }

What is the function of //cntl statement?

1402

Is length = 0 sufficient to ascertain that the field has been modified?

1155

Highlight the points of differences between XCTL and START?

1325

How to define a directory?

1035

Explain dfsort utility?

1407

Explain the mdt in cics?

1234

What are iseries servers?

1140

Mention the definition of cobol in varchar field.

1318

What are 77 levels used for?

1152

What is program reentrance?

1222

What is the main function of key sequenced data set in vsam?

1032

is it compulsory commitment control in journal?

2523

Explain the difference between physical map and symbolic map?

1038

what are the differences between temporary storage queue (tsq) and transient data quene (tdq)?

1269

Explain the processing modes available in ims db?

3678

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