A database engine and optimizer framework support creation of a series of profiling indices over {TAIL ~ a column} having character string data, such as {HEAD ~ a traditional “varchar” data type} 
A database engine and optimizer framework support creation of a series of profiling indices over { TAIL ~ a column } having character string data , such as { HEAD ~ a traditional “ varchar ” data type }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD