diff --git a/server/website/script/fixture_generators/knob_settings/oracle/create_knob_settings.py b/server/website/script/fixture_generators/knob_settings/oracle/create_knob_settings.py
index 3320fdb..6f541c8 100644
--- a/server/website/script/fixture_generators/knob_settings/oracle/create_knob_settings.py
+++ b/server/website/script/fixture_generators/knob_settings/oracle/create_knob_settings.py
@@ -231,6 +231,14 @@ def set_field(fields):
         fields['minval'] = None
         fields['maxval'] = None
         fields['default'] = True
+        fields['vartype'] = 4
+    if fields['name'].lower() == 'optimizer_features_enable':
+        fields['tunable'] = True
+        fields['minval'] = None
+        fields['maxval'] = None
+        fields['default'] = '12.2.0.1'
+        fields['vartype'] = 5
+        fields['enumvals'] = '11.2.0.1,11.2.0.2,11.2.0.3,11.2.0.4,12.1.0.1,12.1.0.2,12.2.0.1' 
     if fields['name'].upper() == 'DISK_ASYNCH_IO':
         fields['tunable'] = True
         fields['vartype'] = 5
diff --git a/server/website/website/db/oracle/parser.py b/server/website/website/db/oracle/parser.py
index de7fed8..52e85a9 100644
--- a/server/website/website/db/oracle/parser.py
+++ b/server/website/website/db/oracle/parser.py
@@ -20,3 +20,7 @@ class OracleParser(BaseParser):
             (1024 ** 1, 'k'),
         )
         self.min_bytes_unit = 'k'
+
+    def format_enum(self, enum_value, metadata):
+        enum = super().format_enum(enum_value, metadata)
+        return "'{}'".format(enum)
diff --git a/server/website/website/fixtures/oracle-121_knobs.json b/server/website/website/fixtures/oracle-121_knobs.json
index 73d7f87..6e994e2 100644
--- a/server/website/website/fixtures/oracle-121_knobs.json
+++ b/server/website/website/fixtures/oracle-121_knobs.json
@@ -5052,15 +5052,15 @@
             "scope": "global",
             "dbms": 121,
             "category": "",
-            "enumvals": null,
+            "enumvals": "11.2.0.1,11.2.0.2,11.2.0.3,11.2.0.4,12.1.0.1,12.1.0.2,12.2.0.1",
             "context": "",
             "unit": 3,
-            "tunable": false,
+            "tunable": true,
             "description": "",
             "minval": null,
             "maxval": null,
-            "vartype": 1,
-            "default": "?/rdbms/admin/sql.bsq",
+            "vartype": 5,
+            "default": "12.2.0.1",
             "summary": "optimizer plan compatibility parameter"
         }
     },
diff --git a/server/website/website/fixtures/oracle-12_knobs.json b/server/website/website/fixtures/oracle-12_knobs.json
index 7c45a77..2c5d5b4 100644
--- a/server/website/website/fixtures/oracle-12_knobs.json
+++ b/server/website/website/fixtures/oracle-12_knobs.json
@@ -5698,14 +5698,14 @@
             "scope": "global",
             "dbms": 12,
             "category": "",
-            "enumvals": null,
+            "enumvals": "11.2.0.1,11.2.0.2,11.2.0.3,11.2.0.4,12.1.0.1,12.1.0.2,12.2.0.1",
             "context": "",
             "unit": 3,
-            "tunable": false,
+            "tunable": true,
             "description": "",
             "minval": null,
             "maxval": null,
-            "vartype": 1,
+            "vartype": 5,
             "default": "12.2.0.1",
             "summary": "optimizer plan compatibility parameter"
         }
diff --git a/server/website/website/fixtures/oracle-19_knobs.json b/server/website/website/fixtures/oracle-19_knobs.json
index a4d8d9f..5e7ce98 100644
--- a/server/website/website/fixtures/oracle-19_knobs.json
+++ b/server/website/website/fixtures/oracle-19_knobs.json
@@ -6021,15 +6021,15 @@
             "scope": "global",
             "dbms": 19,
             "category": "",
-            "enumvals": null,
+            "enumvals": "11.2.0.1,11.2.0.2,11.2.0.3,11.2.0.4,12.1.0.1,12.1.0.2,12.2.0.1",
             "context": "",
             "unit": 3,
-            "tunable": false,
+            "tunable": true,
             "description": "",
             "minval": null,
             "maxval": null,
-            "vartype": 1,
-            "default": "19.1.0",
+            "vartype": 5,
+            "default": "12.2.0.1",
             "summary": "optimizer plan compatibility parameter"
         }
     },
diff --git a/server/website/website/views.py b/server/website/website/views.py
index 3cfcdfb..90c643b 100644
--- a/server/website/website/views.py
+++ b/server/website/website/views.py
@@ -1130,14 +1130,15 @@ def train_ddpg_loops(request, session_id):  # pylint: disable=unused-argument
 
 
 @csrf_exempt
-def alt_get_info(request, name):
+def alt_get_info(request, name):  # pylint: disable=unused-argument
     # Backdoor method for getting basic info
     if name == 'constants':
         info = utils.get_constants()
-        return HttpResponse(JSONUtil.dumps(info))
+        response = HttpResponse(JSONUtil.dumps(info))
     else:
         LOG.warning("Invalid name for info request: %s", name)
-        return HttpResponse("Invalid name for info request: {}".format(name), status=400)
+        response = HttpResponse("Invalid name for info request: {}".format(name), status=400)
+    return response
 
 
 @csrf_exempt
@@ -1320,7 +1321,7 @@ def alt_create_or_edit_session(request):
                                              upload_code=upload_code, creation_time=ts,
                                              last_update=ts, **data)
         except IntegrityError:
-            err_msg = "ERROR: Project '{}' already exists.".format(session_name)
+            err_msg = "ERROR: Session '{}' already exists.".format(session_name)
             session = Session.objects.get(user=user, project=project, name=session_name)
             response.update(error=err_msg, project=model_to_dict(session))
             LOG.warning(err_msg)