IBM VSAM Interview Questions and Answers

IBM VSAM Interview Questions and Answers

Top IBM VSAM Interview Questions and answers: Here, we highlight some common questions you might be asked during a job interview for IBM related positions. All the best for your interview Preparation.

What is an alternate index?

How do you create an alternate index?

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

Name a few common VSAM status codes?

What is buffering and how does it apply to VSAM files?

What are the different types of VSAM files available?

What is IDCAMS?

What is control interval, control area?

What is FREESPACE?

How do you decide on optimum values for CI, FREESPACE etc.?

Would you specify freespace for an ESDS?

What is shareopts?

What is the meaning of each of the values in shareopts(2 3)?

How do you define a KSDS ?

What happens when you open an empty vsam file in a cobol program for input?

What does a file status of 02 on a VSAM indicate?

What is the difference between Sequential files and ESDS files?

How do you load a VSAM data set with records?

How do you define a GDG?

How are different versions of GDG named?

What is IDCAMS?

What is control interval, control area?

What is Freespace?

What is Shareopts?

What is File Status in VSAM?

How do you convert flat files to VSAM files?

Explain the information contained in CI?

Difference between VSAM and database tables?

What is meant by dirty read in VSAM?

What is the purpose of the verify function oF IDCAMS?