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

i have 5 steps to execute in that i want to skip 3nd step and start execute from forth step how can u do this.

Syntel,

7 10867

how can u retrieve the data from null values using applicaion program.

TCS,

3 8778

How to code these statements in JCL: CLEANUP INITIAL(NO) RESTART(NO) DYNALLOC(NO) job definition..?

2251

i need some shortcuts and tso commands can any on ehelp me in these ?

1 5834

What is error -818 in db2. where can you find the timestamp of the DBRM and the source code.( precompile puts the timestamp on dbrm and source code correct?)

2 11328

Suppose we have a query for update update table1 set col1 = 'val1' where col2=(select .... from ...) suppose the subquery does not return any record, what will happen to update?

IBM,

1 6223

can i use multiple when statements in search & search all ? justify ur answer?

2 5564

how many ways can we open i vsam file ? like print ch ids (/) is thre any other way to open the vsam file please can any one answer ?

2 11552

Which is the best IBM mainframe Training Institute in Ameerpet, Hyderabad

35 53106

If you are current on the owner of a set, what is the difference between an obtain next and obtain first? Actually in which topic will we use dis???Plz explain it clearly

3159

WHAT IS DUMMY IN JCL? HOW TO USE IT? CAN ANYBODY SEND PROGRAM ON THIS?

3 8383

WHAT IS 3.12,3.14 ? DIFFERENCES?

2 6644

can i see how many records does a vsam file have without browsing or without using file-aid? and same for ps file?

Tech Mahindra,

3 9753

At the minimum, which division of COBOL is enough to be coded?

CTS,

3 8182

Define REDEFINE clause and Is it possible to have the redefine clause anywhere in the working storage section for a data name?

3 7688

Un-Answered Questions { IBM MainFrame }

How long have you been working on mainframes?

966

How can the disposition of sysout datasets be set for an entire jobstream?

1332

What is nvl in db2?

1088

what are the types of abends that occur on job failure? And explain the possible causes of these

1608

Explain the difference between null compression and default compression?

942

What are the bind parameters ibm db2?

1042

What is catalog database in db2?

1157

Explain difference between read work file 1 and read work file once? Why we are using work file once?

955

What does the 'cebr:cics' transactions do?

1027

What information does a psb contain?

1103

what is u r recent task in insurence project?..plz tell how to tell this.

3323

What is innodb buffer pool?

1048

What is meant by PPT and what are its uses?

1095

What is the purpose of disp parameter?

1112

Explain what are the optional parameters to the input dataset while loading the empty cluster with the data records?

1150

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