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 to display the negative numbers?

2393

suppose program A is calling program B, at a time A will send 100 records but it has to send 500 records. how it will possible?

2187

suppose if you added a coloumn to db2 table, How would it be the Impact analysis?

2119

01 MOVE 10 TO N 05 PERFOM PARA1 TIMES STOP RUN WAT WILL HAPPEN?? WILL IT RUN INFINITELY OR AN ERROR WIL BE THER BECAUSE NO OF TIMES IS NOT GIVEN??

1 5248

If a gdg contains 20 versions .. how to copy those versions ps?

IBM,

2 19214

HOW to change the coloumns in XREF?

2076

can you change the attribute in mapset? if so how?

2222

I would like to know some real time questions.. please any one help me.. If the changes made by you .. lead to system inconsistency how others will know its cause???

2192

When you are working with the project.. once your coding is over what will u do? where u r maintaining your CR(change request) what is the format what are the documents u need to prepare while testing?

2051

How will u give input data to cobol program apart from PARM & Instream data?

6 15341

RENAME clause takes new SPACE in memory.TRUE or FALSE? a)TRUE 2)FALSE

TCS,

12 19363

level number 77 is used to define a)group data b)elementary data c)redefine d)none

TCS,

8 12561

How to read a record from bottom of a file which is indexed by 'A'.

Oracle,

4 9569

Tandem COBOL Interview questions (on TACL,SCOBOL,ENSCRIBE,PATHWAY0

23732

If JOBA is in MSGW due to data decimal error and DUMP is generated and I found that Decimal field formatted with some special char which is coming from Input file amd file has millions of records. How I can find out on which record the error is occur. Please share your experience.....

2227

Un-Answered Questions { IBM MainFrame }

What are the common tables in cics and their usage?

1071

What is coalesce in db2?

1190

What is a segment in ims?

1090

What is the use of base and index registers in the IBM 360/370 processor?

3816

Explain the significance of the shareoptions parameter?

1078

What does the 'cebr:cics' transactions do?

1083

mention the option used in the cics read command to gain accessibility directly to the file i/o area. (Assume cobol-ii).?

1155

Is there a application program coding difference between local and central version mode in idms?

921

suppose if you added a coloumn to db2 table, How would it be the Impact analysis?

2119

Is their any set of rules for dd? Explain.

1277

What is downtime and what might be the reason?

1186

What is the syntax of JCL statement?

1298

Explain the function of the cics translator?

1096

How to run cobol program using jcl?

1300

What methods are available for persisting records in an idms database? Explain.

884

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