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 does one reorg an HDAM IMS database when changing RAPS (Root Anchor Points)?

2 9728

What is the return code you get after a successful IMS call?

4 18033

What do you know about MFS?

2 6663

Which is the DL/I function used in CICS-IMS program?

HP, IBM, IMS,

2 8648

What is a Hierarchy path?

4 8622

What are qualified and unqualified SSA's.

2 18511

Is it necessary that all the segments in a Dl/i database have key fields ?

2 6513

How many sgment types can u have in a DL/I database?

4 8808

consider the following piece of code 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

TCS,

3 8840

consider two data items 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

TCS,

5 12629

what is the result of the following? DIVIDE A INTO B GIVING C. a.C=A/B b.the reminder of B/A is stored in C c.C=B/A d.the reminder of A/B is stored in C

TCS,

3 14389

which of the following can be used as a check protection symbol a.Z b.S c.* d.+

TCS,

2 8690

what if any ,is the syntex 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.

TCS,

5 9892

study the following code 01 A1 05 B PIC 99 05 C PIC X(4) 01 A2 05 B PIC 99V99 05 C PIC A(4) pick out the valid statement from the following a.A1 and A2 can not have sub-ordinates b.A1 and A2 can have the same sub-ordinates but must have same PIC clause c.there is nothing wrong d.A1 and A2 can have same sub-ordinates provided they are not at 01 level

TCS,

4 8611

study the following 01 A PIC 99V0 VALUE 5 01 B PIC 9V9 VALUE 6 01 C PIC 99V9 VALUE 2.5 01 D PIC 99 VALUE 3 COMPUTE A ROUNDED B C = A+B*C/D ON SIZE ERROR PERFORM PRINT-ERROR the comments of A.B.C after execution of the above statement are a.A=10 B=0 C=10 b.A=10 B=9.9 C=9.9 c.A=10 B=0 C=9.9 d.A=10 B=6 C=10

TCS,

4 9243

Un-Answered Questions { IBM MainFrame }

What is the main function of key sequenced data set in vsam?

964

Which division and paragraphs are mandatory for a COBOL program?

1274

How can you access qsam (seq) files from cics?

1123

1.give the details about WHEN OTHER. 2. how many form are available in evaluate.

2101

Which command is used to remove all rows from a table?

1107

How is deadlock resolved?

1146

what is pdes?

1114

which utility is used a dummy utility?

1462

What is commit in db2?

1053

how can you copy to a vsam cluster?

1143

can I port my existing applications from the mainframe or os/2? Will there be extensive changes required to do this?

975

Explain how can return codes be tested before execution of a job step?

1327

List some fields from sqlca?

1056

Name a few IBM utility programs, and explain its function.

4970

When reorg is used?

1124

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