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 a DB2 plan?

8 45431

How to define the data items to receive the fetch items for the SQL?

2 5953

What is a page?

2 5115

What is the physical storage length of each of the following DB2 data types: DATE, TIME, TIMESTAMP?

CTS,

1 10194

What is a collection?

3 6941

What does the CHECK Utility do ?

1 5663

Where could you look if you had a question about whether a column has been defined as an index?

2 5963

What are the various locking levels available?

3 6784

If I have a view which is a join of two or more tables, can this view be updatable?

3 7456

What are the 4 environments which can access DB2 ?

2 7096

What is the picture clause of the null indicator variable?

6 19273

What will the FREE command do to a plan?

2 5859

What is a DB2 bind?

Logica CMG,

1 7313

What information can you find in SYSIBM.SYSLINKS table?

TCS,

1 9310

What is the difference between IN subselects and EXISTS subselect?

HCL, PreVator, TCS,

1 11108

Un-Answered Questions { IBM MainFrame }

Can you define mdt?

1093

How to get the last record in vsam file in cluster? And how can you get the ksds file records into your cobol program?

1149

List in order the hierarchical levels of jcl?

1114

What is lock escalation in db2?

1041

What are the main control blocks available in ims db?

1104

hi,what is the module? how many modules in mainframe based banking projects

3004

can you please let me know if there is any walkins for COBOL/PLI/DB2/IMS/JCL in pune other than IBM and ITC infotech

2435

Define sqlca.

1119

What is the advantage of dynamic generation of acb?

937

What is meant by MDT? Furthermore, comment on FRSET and FSET ?

1142

Explain the function of entry-sequenced data set?

1042

Can we move alphanumeric incentive to the numeric field?

1055

How would you understand error(execution phase)?

1264

What Are Send Map Maponly & Send Map Dataonly ?

1225

What is qmf?

965

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