//Now go through each trigger on this table and see if the column
//being dropped is part of it's trigger columns or trigger action
//columns which are used through REFERENCING clause
GenericDescriptorList tdl = dd.getTriggerDescriptors(td);
Enumeration descs = tdl.elements();
while (descs.hasMoreElements())
{
TriggerDescriptor trd = (TriggerDescriptor) descs.nextElement();
//If we find that the trigger is dependent on the column being
//dropped because column is part of trigger columns list, then