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

bind by copy...bind by ref?

1887

what is the scope of commitment control?

1971

can we use already existing access path?

1 2858

write a query to get RRN value from rpg?

1 2737

what is RUNSQLSTM?

1 3247

stmts affected by activation group?

1 2815

difference between wrkobj & dspobjd?

1 3556

what are the ARRAY operations in rpg/400?

1 3023

in RTVMBRD where you will find no.of records....(i mean in which attribute)?

JDA,

1 3519

For Null indicator we have 3 values 0,-1,-2. 0->Not nulll -1->Null -2->Value truncated If ther is any possibility to have any positive value other than 0 in Null indicator.If it is so then when we will get and what is the value?

BNP Paribas,

1 5663

Program A (Normal COBBAT) calling a B Program (DB2COBOL, COBBATDB which is using a VSAM file. its a dynamic call. How we will handle VSAM file decleration in our from JCL from where we are running A PGM. And should we have PLAN for A pGM also. if possible can some one post a sample JCL. Thanks for help in advance.

iNautix,

5797

what is the another name of lpar's

CTS, IBM,

1 4968

COBOL program to read the string ' BOMBAY' in reverse order as 'YABMOB'

Barclays, IBM,

8 15406

Whats the use of Examine command? can someone help me?

IBM,

1 5296

Can we change the password using ALTER? anyone tried and changed?

IBM,

2086

Un-Answered Questions { IBM MainFrame }

Does jcl support automatic restart?

1297

Explain the thress bms options?

1068

when does a dataset go uncataloged?

1361

What is blu acceleration in db2?

1141

how do you define an altindx ? How do you use altindxs in batch, cics programs?

1129

what EXEC statement is and what is the syntax of EXEC statement used in JCL?

1224

How do you write from PL/1 code to JCL?

2341

What does runstats do in db2?

1199

Explain what you understand by passing by value.

1213

What is the full form of adabas?

1056

what is buffering and how does it apply to vsam files ?

1246

can oorexx run ibm object rexx programs?

1060

what is use of space parameter in dd statement?

1335

A dd statement consists of 4 fields. Name them?

1486

Explain the difference between start and xctl?

1134

For More Un-Answered { IBM MainFrame } Questions Click Here