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

Name some of the JCL statements that are not allowed in procs.?

1 15996

What is primary allocation for a dataset?

4 15229

What is the difference between primary and secondary allocations for a dataset?

8 48746

How many extents are possible for a sequential file ? For a VSAM file ?

3 18780

What does a disposition of (NEW,CATLG,DELETE) mean?

3 19877

What does a disposition of (NEW,CATLG,KEEP) mean?

Cap Gemini,

1 13304

How do you access a file that had a disposition of KEEP?

3 19205

MOD, DELETE; What does a disposition of (,DELETE) mean ?

3 12088

What is the DD statement for a output file?

3 10141

What do you do if you do not want to keep all the space allocated to a dataset?

2 7040

What is DISP= (NEW,PASS,DELETE)?

HCL,

3 32297

How do you create a temporary dataset? Where will you use them?

IBM,

2 22890

How do you restart a PROC from a particular step?

5 43223

How do you skip a particular step in a proc/JOB?

CSC, CTS,

5 30943

A PROC has five steps. Step 3 has a condition code. How can you override/nullify this condition code?

IBM, Wipro,

5 39677

Un-Answered Questions { IBM MainFrame }

Can you tell me how can you find out the # of rows updated after an update statement?

1095

Explain the like inverted list?

948

What is the maximum No of rows per page?

1065

which is Best IBM Mainframe Training and Placement Institute in Ameerpet Hyderabad

1502

explain how do you define a gdg in vsam?

1023

What is link edit in cobol?

1192

Tell about how do you eliminate the duplicates?

998

what parameter in the define aix option is used to determine the maximum number of duplicate keys allowable ?

1003

accept ws-date from date will return the current date?

1013

What does "using" do?

1049

What is the comaera (communication area)?

1102

how to pass the parameters from jcl to assembler pgm?

1105

What is db2 bind process?

1236

if the submitter of a job wants to inform another user about the job completion, how can it be done?

1245

What is load utility in db2?

1179

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