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

what is the meaning, the advantages and which are the types of evaluate statement?

IBM,

1111

can we describe the results of opening for input empty vsam files in a cobol program?

IBM,

1061

what is the meaning of ssrange and nossrange?

IBM,

1063

how do we describe static call and dynamic call?

IBM,

1073

suppose I have two tables a and b. Both tables are connected with ssn number as foreign key. I want to retrieve a column data from b table. How will you write a query?

IBM,

1032

what is difference between file-aid tool and file-aid utility?

IBM,

1580

which is more efficient, level 77 or 01?

IBM,

1101

what sorting order does search all have?

IBM,

1069

what is the right time for using in-line perform?

IBM,

1101

execution of a subordinate module is caused by the use of the cobol verbs ------------in the superior module

IBM,

1143

suppose oza017.myorg.emp has 100 records ,oza018.myorg.staff has 200 records but 50 are the common records in both files copy all the common records into oza017.myorg.xyz dataset?

IBM,

1071

how can you prevent more than one user from accessing the same transient data queue?

IBM,

1144

list the sequence of steps used to achieve modiication in skip sequential mode?

IBM,

1235

what is the difference between a package and a plan. How does one bind 2 versions of a cics transaction with the same module name in two different cics regions that share the same db2 subsystem?

IBM,

1119

define the field with ic in the bms map.

IBM,

1181

Un-Answered Questions { IBM MainFrame }

If we say that bms length of field = 0, then what does that mean?

1334

How do you round the addition or subtraction of two numbers in assembler?

1090

Suppose you are processing an input file in a natural program and you want the program to fail if the file is empty. What command you use in natural to force it to fail?

1146

I have a COBOL program that ACCEPTs some input data. How do you code the JCL statement for this?

1270

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

1191

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

1184

What is lock escalation in db2?

1087

here is my requirement A1 is alphanumeric with value 'A1B2C3D4' as defined below 05 A1 PIC X(8) VALUE IS 'A1B2C3D4' but i need to have A2,A3 as ABCD & 1234 repectively...... A2 = ABCD A3 = 1234 Can you please explain me what are the different ways to do it?

8035

ther r 2 tables OTTABLE & SALTABLE, add the otamt from OTTABLE to empsal of SALTABLE if eid is matched else add the unmatched from OTTABLE to SALTABLE

2126

What is the kcp in the cics?

1228

What is the disadvantage of dynamic generation of acb?

1059

how do you bind the cobol with db2

2857

What do you mean by between and in? Is between inclusive of specified range values?

1144

How to pass data to a program that is coded in an exec statement?

1388

Define gdg?

1032

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