[APIS-869] The default value of hold_cursor was changed to TRUE (#2780)

The default value of hold_cursor was changed to TRUE.

src/jdbc/cubrid/jdbc/driver/ConnectionProperties.java

@@ -388,7 +388,7 @@ private int getDefaultConnectTimeout() {
     IntegerConnectionProperty clientCacheSize = new IntegerConnectionProperty(
     		"clientCacheSize", 1, 1, 1024);
 
-    BooleanConnectionProperty holdCursor = new BooleanConnectionProperty("hold_cursor", false);
+    BooleanConnectionProperty holdCursor = new BooleanConnectionProperty("hold_cursor", true);
     public boolean getLogOnException() {
 	return logOnException.getValueAsBoolean();
     }