Mainframe Interview Questions - VSAM

1.TYPES


2.KSDS - Index

3.RRN

4.AIX

5.PATH

5.We can insert the records in VSAM file whereas in flat file we can only append the records.

6.GDG

7.IDCAMS

8.Creating a new generation

9.Loading records to VSAM using REPRO

10.Control Interval, Control Area

11.GDG(+1) will be created in the step1 and it can be referred as GDG(+1) in that job until the job completes.

Only after the job completion version will be changed to GDG(0)

 http://arunkumar02.blogspot.in/2010/09/mainframe-interview-questions-vsam.html