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

Different types of BMS Macros

2 7443

HOW MANY MAXIMUM BASE REGISTERS WE CAN HAVE IN A PROGRAM AND ALSO HOW MANY MAXIMUM BASE REGISTERS WE CAN HAVE IN A SINGLE PROGRAM.

IBM, TCS,

5 13417

HOW WE CAN CONEECT THE MAPSET/MAP TO ONLINE?

1 4939

WHAT ARE THE VERBS IN CICS EQUAL TO ACCEPT,DISPLAY,VALUE?

2 8033

how to convert a file form fixed Length to variable length?

Syntel,

2 15667

File status must be checked both while opening and reading the file or only while reading the file?

2 5484

Is Cursor exicutable ?

TetraSoft,

3 8047

Name some fields from SQLCA

1 6115

What do you need to do before you do EXPLAIN ?

1 4905

What are the Isolation levels possible ?

5 7853

what is the soft code for deadlock ?

Logica CMG,

2 6956

the dd name for ksds is dest1 and what is the dd name for alternate index of ksds ? a.dest b.dest1 c.dest1a d.dd1

Logica CMG,

2 6169

what are the SQL codes u freequently got?

Logica CMG,

2 7517

why we are using set in searchall?

IBM,

4 8091

i need a program by giving input as a abcd in any randem order but i need a output as 1234 related to abcd. i.e,. a for 1,b=2,c.....etc..

IBM,

5 9964

Un-Answered Questions { IBM MainFrame }

Name all the file-open modes

1078

Explain what is the massinsert option?

1065

Give certain situations where NEWCOPY is obligatory?

1110

what is use of dsn parameter in dd statement?

1157

Explain the use of the where?

1055

Can we call instream to catalog and catalog to instream?

1142

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

1256

Define acb?

3624

List out the buffer pools in db2

1072

What is the difference between inrec and outrec?

1115

which utility is used a dummy utility?

1462

What is interval control?

1127

Explain database descriptor in brief?

1003

How can record locking be achieved in those DB2 versions which do not support it?

1073

What is the purpose of relative record data set used in vsam?

1093

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