DERBY-6053(Client should use a prepared statement rather than regular statement for Connection.setTransactionIsolation)

Use prepared statements rather than regular statement to change the isolation level in client server mode. This will be better for performance and will also avoid possible garbage collection issues.



git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1442474 13f79535-47bb-0310-9956-ffa450edef68