For dynamic SQL statements, the search in {HEAD ~ the SQL cache} is made using the text of {TAIL ~ the SQL statement} 
For dynamic SQL statements , the search in { HEAD ~ the SQL cache } is made using the text of { TAIL ~ the SQL statement }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL