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 syntax for FETCH in DB2 ?

MCN Solutions,

1207

How many databases can be created inside an instance in db2 ?

MCN Solutions,

1032

What is the connection string to connect to the DB2 Database ?

MCN Solutions,

1125

What is the difference between "db2ilist" and "db2 get instance" commands in DB2 Database Server?

MCN Solutions,

1270

Which command is used to connect to a database in DB2 ? Give the Syntax.

MCN Solutions,

1102

What is report-item in COBOL?

Arigo Infotech,

1151

How do we get current date from system with century in COBOL?

Winsol Solutions,

1375

What is the Purpose of POINTER Phrase in STRING command in COBOL?

Winsol Solutions,

1252

What is the LINKAGE SECTION used in COBOL?

UGC Corporation,

1524

Why occurs cannot be used in 01 level in COBOL?

Arigo Infotech,

1157

What is Pic 9v99 Indicates in COBOL?

SwanSoft Technologies,

1256

What is the difference between external and global variables in COBOL?

Winsol Solutions,

1457

In COBOL programming, what is PERFORM? What is VARYING?

CDC,

1146

What is the maximum length of a field you can define using COMP-3 in COBOL?

UGC Corporation,

1 1993

In COBOL, what is the different between index and subscript?

TryTechnicals Pvt Ltd,

1243

Un-Answered Questions { IBM MainFrame }

What is the default value(s) for an initialize and what keyword allows for an override of the default?

1209

How to check sequence on a table in db2?

1056

How jcl is used for testing batch programs?

1277

how do you create an alternate index ?

1066

List the different jcl statements that are not permitted in the procedures?

1079

What is cursor with hold option in db2?

1069

How gdg are concatenated?

1117

Explain the job statement in jcl?

1156

List down the types of triggers in the db2 database?

1022

what is use of disp parameter in dd statement?

1097

What is interval control?

1128

What is adabas and why it is used?

943

what is db2 restart?

2149

Mainframes gets a text file that contains the name of the file. Now using JCL i want to locate that file name in the mainframe system and perform further processing. Please tell how to proceed

2559

How can the firstname and the lastname from the emp table be concatenated to generate complete names?

1274

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