diff --git a/ingestion/src/metadata/orm_profiler/orm/functions/sum.py b/ingestion/src/metadata/orm_profiler/orm/functions/sum.py
index 30abe11e85f..92a042bf08d 100644
--- a/ingestion/src/metadata/orm_profiler/orm/functions/sum.py
+++ b/ingestion/src/metadata/orm_profiler/orm/functions/sum.py
@@ -60,6 +60,13 @@ def _(element, compiler, **kw):
     return f"SUM({proc})"
 
 
+@compiles(SumFn, Dialects.Oracle)
+def _(element, compiler, **kw):
+    """Oracle casting"""
+    proc = compiler.process(element.clauses, **kw)
+    return f"SUM(CAST({proc} AS NUMBER))"
+
+
 @compiles(SumFn, Dialects.IbmDbSa)
 @compiles(SumFn, Dialects.Db2)
 def _(element, compiler, **kw):
diff --git a/openmetadata-spec/src/main/resources/json/schema/entity/services/connections/database/oracleConnection.json b/openmetadata-spec/src/main/resources/json/schema/entity/services/connections/database/oracleConnection.json
index e35c8701658..75d878c5c2a 100644
--- a/openmetadata-spec/src/main/resources/json/schema/entity/services/connections/database/oracleConnection.json
+++ b/openmetadata-spec/src/main/resources/json/schema/entity/services/connections/database/oracleConnection.json
@@ -76,10 +76,10 @@
       "description": "Connect with oracle by either passing service name or database schema name.",
       "oneOf": [
         {
-          "$ref": "#/definitions/OracleServiceName"
+          "$ref": "#/definitions/OracleDatabaseSchema"
         },
         {
-          "$ref": "#/definitions/OracleDatabaseSchema"
+          "$ref": "#/definitions/OracleServiceName"
         }
       ]
     },