I have a huge table having volume roughly at around 200 million
The table has three composite indexes with colums as--

I see that the statistics of the table ar out of date.
SO I want to update the statistics for thsi table...
My query is---
will update index statistics for index with col abcd...help me update the densities for the remaining two indexes because I am sure
update index statistics will help me generate histogram for all the coulms present in all three indexes but I am not sure about the densities.

Thanks in advance for your time