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 auto status?

1577

What does a store statement do?

1496

What sets will the stored record connect to?

1 2249

What is currency?

2 2763

Distinguish among erase, erase permanent, erase selective and erase all?

1597

What are the types of record locks and how are they set?

1557

How are record locks released?

1 2309

What does a status return code of nn29 mean in relation to record locks?

1 2255

Why would you use find and get rather than an obtain?

2 2845

What is a bind?

1 2763

Is there a application program coding difference between local and central version mode?

1 3983

If you are current on the owner of a set, what is the difference between an obtain next and obtain first?

2 2923

How many types of queries does QMF offers?

1 2853

What is Structured Query Language (SQL)?

1 2665

What is Prompted Query?

1 2743

Un-Answered Questions { IBM MainFrame }

Give some examples of command terminators?

1210

What is the function of dbctl?

1074

Are you comfortable in cobol or jcl?

999

What is the disadvantage of dynamic generation of acb?

963

What is the difference between PIC 9.99 and 9v99 in COBOL?

1258

What are the distinctive features of a ksda, key sequenced dataset?

957

Can we move alphanumeric incentive to the numeric field?

974

what EXEC statement is and what is the syntax of EXEC statement used in JCL?

1122

What is a db2 collection?

998

What is icm instruction?

1027

What is the maximum size of a char data type in db2?

975

Enlist the features of rexx as a programming language.

984

What is the physical storage length of time data type?

1079

What do you mean by the term fct?

932

Explain the maximum number of fields allowed per segment and what is the maximum number of fields per database?

1009

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