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

SI Stud name Subject Marks Pass/Fail 1 Sham Maths 40 P 1 Sham Physics 50 P 1 Sham Bio 20 F 2 Ram Maths 40 P 2 Ram Physics 50 P 2 Ram Bio 60 P For the above data , write the SQL query for the student who passed in all the subjects . For eg : I want the data of only Ram coz he passed all subjects .

Cognizant,

2 7924

Suppose i have a file with 10 recs and i want to skip only the 7 th record and copy the rest into another file. How do i do it using SORT?

VS, Wipro,

7 25159

Hi Team, Please tell me, If i don't declare the cursor in the program and i have given open and fetch and close, then what error will get.

IBM,

6 14163

I have a main program (A) where we delete some rows in table in a cursor, and we commit it in sub program(B). What will happen - will we get an error or not?

2 6354

Thru web page we have triggered the transaction, how can we come to know that whether it has hit the mianframes or not?

2 4647

Hi can anybody tell me about Mainframe batch testing and how is it done. I am totally new to mainframe testing. Thanks in Advance.

IBM,

1 5083

In INITIALIZE what is Repalcing Word will do

CTS,

1 10274

How to find out the closest prime number of an input number? I believe it has something to do with SEARCH and COBOL Linear Array.

Infosys,

4173

How converted the natural coding for adabas

3281

How we can see the Data in IMS Database?

HP,

2 10348

How can you add a particular field in copybook?

L&T,

2 5492

How can you add a particular field/coloumn in copybook?

ADP, DELL, L&T,

3 22897

There is subprogram and which is used in more then 200 modules. when we made changes to subprogram is it required to RESTOW all the main programs? If YES means how i can restow all 200 main programs at a time.

HCL,

3 10599

The natural file converted to PDF file if Yes then explain ?

3151

Current version of GDG is ID.GDG.FILE.G0001V00. JCL has procedure with 2 steps like below, What will be the output file name in each step ? PROC starts Step 1 has ID.GDG.FILE(+1) Step2 has ID.GDG.FILE(+4) PEND Similarly, JCL has 2 steps in 2 separate procedure. What will be the output file names here ? PROC starts Step 1 has ID.GDG.FILE(+1) PEND PROC1 starts Step2 has ID.GDG.FILE(+4) PEND

FIS,

2 7161

Un-Answered Questions { IBM MainFrame }

How can you classify the locks in db2?

1089

explain about maximum displacement and how to cross this limit?

1149

When will a port of ooRexx to "XYZ" be available?

886

How to find the UNIT and VOLUME of a (a) KEPT (b) UNCATALOGED and (c) CATALOGED dataset - using (i) JCL and using (ii) ISPF ?

2681

How to override loadlib?

2040

Would you specify freespace ce for an esds?

1088

What is the contrast between delimited by space and delimited by size?

963

Under idcams, multiple functions can be executed, each of which returns a condition code. What will be the condition code returned to the operating system?

1025

What does a ROLLBACK do?

1523

WORKING-STORAGE SECTION. 01 GROSS-PAY. 05 BASIC-PAY PIC 9(5). 05 ALLOWENCES PIC 9(3). PROCEDURE DIVISION. MOVE 1000 TO BASIC-PAY. MOVE 250 TO ALLOWENCES. DISPLAY GROSS-PAY. STOP RUN. 77 W-A PIC 9(3)V99 VALUE 23.75 77 W-B PIC ZZ9V99 VLAUE 123.45 after the statement MOVE W-A TO W-B what will be W-B's value? a.123.75 b.b23.75 (where b indicates space) c.023.75 d.invalid move

1369

What is the difference between Global and External Variables?

1377

Can you define path?

990

How is record management performed in vsam?

1142

Can we call instream to catalog and catalog to instream?

1145

Can you define aica abend?

1158

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