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

COBOL (1072)
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IMS (143)
IDMS (107)
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CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
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IBM MainFrame Interview Questions

Questions Answers Views Company eMail

In a KSDS file, key is missing for one record. How to insert the key for that particular record from back up file. Is there any sorting needed for the back up file before the key insertion?

RBS,

1470

How to fetch the last row from the table in SQL (db2)?

1657

if we have " ibm mainframe ",in that how to remove first and last leading space eg:"ibm mainframe" like that the answer we need

1351

How to remove the spaces at end of each record in the output file Via COBOL program? note: The file has a VB length ----TRY

1383

have in 100 records in a file i want to read first 3 records and skip next 3 records and agan i want to read 3 records and again i want to skip 3 records... run a loop from record one to 10 evaluate i/3 if comes even then skip else write to output file

1520

How to read records in reverse order in flat file?

1 2378

what modification we need to do in jcl if we use sort in cobol? I mean whether we need to include temporary file used for sorting in assign statement?

1 2341

what is the difference between perform varying and perform

1 2434

difference between internal sort and external sort

1 2347

i want to store 20 digits . how will u do it in cobol ?

1421

01 GROSS-PAY 05 BASIC-PAY PIC 9(5) 05 ALLOWENCES PIC 9(3) if BASIC-PAY has a value 1000 and ALLOWENCES has a value of 250,what will be displayed by the statement DISPLAY GROSS-PAY a.1250 b.01000250 c.01250 d.1.250

1 2304

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

1370

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

1477

what if any ,is the syntax error in the following piece of code 01 B PIC A(7) 02 C PIC 9(4) ........ IF(B NUMERIC) ADD 10 TO C a.the condition in the if statement is wrong b.noting is wrong c.because C is initialised.ADD 10 TO C is wrong d.both B and C shoud have same size.

1 2889

01 GROUP-ITEM 05 AMOUNT-1 PIC 99V9 USAGE COMP VALUE 50 05 AMOUNT-2 PIC 9(4)V99 USAGE COMP MOVE ZERO TO GROUP-ITEM ADD 50 TO AMOUNT-1 what will be the content of AMOUNT-1? a.50 b.100 c.0 d.unpredictable

1 2220

Un-Answered Questions { IBM MainFrame }

1477

Explain the system transid cemt?

1104

Explain ceci transaction commands?

1030

What are the types of record locks and how are they set?

1602

What is an OOK-Rec?

1707

Mention the definition of cobol in varchar field.

1250

What is idms?

862

is it required that primary key values have to be unique? Do alternate key values have to be unique?

1054

How to define a directory?

981

Can we insert update delete in view?

972

Explain the difference between various read and find statement?

1058

How is deadlock resolved?

1148

What do you mean by cursor?

988

Can I cleanly uninstall oorexx?

970

What is the syntax for FETCH in DB2 ?

1216

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