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 role of union all and union

1196

What is the role of schema in the db2 database?

1376

What are the different types of base tables?

1178

What is dbrm in db2 database?

1206

what is the role of the cursor in db2?

1127

What is a trigger in the db2 database?

1153

How to find the maximum value in a column in the db2 database?

1139

What is the physical storage length of the data types: date, time, timestamp in the db2 database?

1226

What is the clustering index in the db2 database?

1053

What is the syntax for creating a table in the db2 database?

1154

What are the benefits of using the db2 database?

1306

What is buffer pool in the db2 database?

1169

What is the meaning concurrency in the db2 database?

1182

What are the two types of logging in the db2 database? Explain them.

1131

List down the data types in the db2 database.

1199

Un-Answered Questions { IBM MainFrame }

Can you define attribute byte?

1081

What is the cics command that is used to access current date and time?

1175

What does db2 mean?

1092

Describe the cobol database components?

1224

Write about a ‘view’ in brief?

1021

Explain how do you intitiate another transaction?

1110

suppose program A is calling program B, at a time A will send 100 records but it has to send 500 records. how it will possible?

2189

Define data page.

1144

What is drop table?

1073

How do you get parameter from JCL to PL1?

2497

Can you use max on a char column?

1152

List down the types of triggers in the db2 database?

1086

What is job control language?

1156

Differentiate between the joblib and the steplib statements?

1541

What is difference between isnull and coalesce?

1123

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