What is the difference between HDAM & HIDAM DB types and
when would you use each?

Answer Posted / s

HDAM is used for random access
HIDAM is used for sequential access as well as random
access.
HDAM provides fast direct access to root via the randomizer.
HIDAM provides direct access to root via the HIDAM index
that requires 2 I/Os one to the index and one to the data.

Is This Answer Correct ?    21 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the advantage of dynamic generation of acb?

637


Explain acbgen process?

720


What is meant by bmp mode?

654


What is the maximum number of segment types allowed for a single database?

728


What are the two ways in which dl/i interface can be invoked?

609






Explain the disadvantage of dynamic generation of acb?

633


What is bmp mode?

3193


How many root segments do we have per database record?

706


What is meant by batch dl/i mode?

659


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

653


What is ims (db/dc)?

684


Explain ims software environment?

670


Explain the maximum number of segment types allowed for a single database?

1888


What is acbgen process?

772


Explain the advantage of creating the acbs well ahead of time?

3225