What is the difference between HDAM and HIDAM databases?
|HDAM databases do not have a separate index file. The key field in these files are passed through a randomizer and that places the record in its specific position in the database
|HIDAM databases have their own separate file indexes and they are based on the root segment. Each file has a piece of information about the pointer that shows the position of the data.
BY Best Interview Question ON 13 Mar 2020