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

How do you filter out the rows retrieved from a Db2 table ?

1 9274

What is a clustered index?

1 12448

When will you chose to run RUNSTATS?

1 9394

What does DML stand for and what are some examples of it?

IBM,

3 9683

What is meant by a unit of recovery?

1 6511

What is CHECK PENDING ?

5 19926

What is a thread?

3 8134

What is filter factor?

2 10658

What's the maximum number of volumes that can be added to a STOGROUP?

IBM,

1 9300

What are PACKAGES ?

3 9019

Which catalog tables contain authorization information?

1 6129

Is DECLARE TABLE in DCLGEN necessary? Why it used?

3 9679

How does one remove entries from the SCT02 table?

1 4594

what is the difference between join and union?

IBM,

4 18807

I use CS and update a page. Will the lock be released after I am done with that page?

2 9853

Un-Answered Questions { IBM MainFrame }

How to restart a DB2 program?

1902

What is an ims database?

1146

Explain the primary significance of intra-partition and extra-partition tdqs ?

1082

I HAVE A VB BLOCK WHICH IS USED AS INPUT IN COBOL CONATINING SOME RECORDS CAN I CHANGE THE FILE FROM VB TO FB?

2564

What are the difference between jcl and jes?

1612

Define sqlca.

1117

What are declaratives and what are their uses in cobol?

1205

which is Best IBM Mainframe Training and Placement Institute in Ameerpet Hyderabad

1506

Explain identify whether a call statement is a static or dynamic call?

1006

What is the maximum No of rows per page?

1069

What is acbgen process?

1194

Is db2 a programming language?

1050

can oorexx run ibm object rexx programs?

1010

I have a cobol db2 program(PGM A) where other program (PGM B) will call this program and passes some 50 fields data to PGM A. PGM A has some layout in which it receives the data from PGM B. And this layout has been copied in the linkage section pf PGM A. After getting the data, PGM A writes the data in a flat file in the same layout which it receives from PGM B. PGM B is a simple COBOL pgm. Please provide a JCL to run these programs.

2360

What is next sentence and continue unique?

1047

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