B* Trees for Tables
B* trees
are set up for the following kinds of table:
Tables with primary data
Tables with
secondary keys
Tables with LONG columns
See also:
Table Access
You can find some examples for setting up B* trees here:
B* Trees for Tables with LONG Columns
B* Trees for Tables with Secondary Keys
B* Trees for Tables with LONG Columns and Secondary Keys
B* Trees for Tables 
B* Trees for Tables