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 move cursor to a particular field when position is not known?

3 10947

how many work file we can code in jcl?

2 9469

difference between escape(top or bottom) and escape immediate(top or bottom?

CTS,

3 22200

What is the purpose of the SDSNLOAD dataset in the STEPLIB while running DB2 programs?

2 14526

Explain fixed length record in cobol? with suitable example

IBM,

1 5760

What is the purpose of coding FETCH in a SQL SELECT query? Explain with an example in Detail?

4 8147

We are using the searching a table which is indexed, once the key is found, how can we get the occurance at which the key was found.

1 4606

I have a files containing both duplicate and non-duplicate records.The file is already sorted by a key.I want to determine those records that are duplicate and records that are non-duplicate.If duplicate the record is move to a duplicate file and if non-duplicate that will be move to valid file.thank you

1 5371

I have files that contains both duplicates files(occur more than twice) and non-duplicate files.The file is already sorted by a key.I want to determine those records that are duplicate and will be move to a duplicate file and non- duplicate files to be move to a valid file.thank you.help please

2 6803

Using string statement.Is coding three destination string from one source string possible in one code?or three codes for every destination string of one source string.?thank you

BPL,

1 3331

IF we are calling a PROC from Jcl...This Proc have 3 steps in it and we want to execute only the second step using the JCL, How to do it?? Please give the answer ASAP:)

8 15921

if suppose i am having an ACCOUNT table with 3 coloumns ACC. NO,ACC. NAME,ACC. AMOUNT . If a unique index is also defined on ACC.NO and ACC.NAME then write a query to retrieve account holders records who have more than 1 ACC.

Wipro,

8 12199

what is jcl approach for programming?

IBM,

4 7853

Is it possiable to use a gdg in the INCLUDE statement in a SORT jcl? I am using this because I want to change the condition with out changing the jcl. Please provide with a sample code.

1 5695

i have a sequencial file contains multiple records, i want to extract one row which contains various fields like order number,date,warehouse,.ect.. in to the another file by accepting the order number from jcl. how can i do it. pls help me..

CGI,

4 11953

Un-Answered Questions { IBM MainFrame }

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

935

Explain difference between read work file 1 and read work file once? Why we are using work file once?

1024

What are the cobol coding sheets?

1371

Why is free space left in ksds dataset?

1207

What does the following code do? Ap wkur,=p5 where wkur is a label?

1157

Explain delete-connected tables?

1104

What do you mean by rollback?

1040

What is the maximum size of varchar data type in db2?

1191

Can we call instream to catalog and catalog to instream?

1198

What is the binary search?

1004

WORKING-STORAGE SECTION. 77 W-A PIC 9(3)V99 VALUE 23.75. 77 W-B PIC ZZ9V99 VALUE 123.45. PROCEDURE DIVISION. MOVE W-A TO W-B. DISPLAY W-B. STOP RUN. compiler : IGYGR1080-S A "VALUE" clause literal was not compatible with the data category o subject data item. The "VALUE" clause was discarded. WORKING-STORAGE SECTION. 77 W-A PIC 9(3)V99 VALUE 23.75. 77 W-B PIC ZZ9V99. PROCEDURE DIVISION. MOVE 123.45 TO W-B. MOVE W-A TO W-B. DISPLAY W-B. STOP RUN. 2375

1531

What is an ook-rec in idms?

939

What db2 400?

1264

What is the full form of adabas?

1055

Explain how does idms communicate with cics?

996

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