| Information about unique columns of a table. This class assumes
that in the underlying RDBMS, unique constraints and unique indices
are roughly equivalent. For example, adding a unique constraint to
a column also creates an index on that column (this is known to be
true for MySQL and Oracle).
author: Jason van Zyl author: Daniel Rall version: $Id: Unique.java 473814 2006-11-11 22:30:30Z tv $ |