Update forall-inserts-comparison

Author: Steven Feuerstein

plsql/performance/forall-inserts-comparison

@@ -156,3 +156,14 @@ BEGIN
 END;
 
 /
+
+/* Results seen on 12.2:
+
+"FOR loop (row by row)100000" completed in: 6.755 seconds
+"FORALL (bulk)100000" completed in: 0.196 seconds
+"Insert Select from nested table 100000" completed in: 0.267 seconds
+"Insert Select WITH DIRECT PATH 100000" completed in: 0.318 seconds
+"Insert Select 100% SQL" completed in: 0.482 seconds
+"BULK COLLECT - FORALL" completed in: 0.716 seconds
+
+*/