diff --git a/django/db/backends/mysql/base.py b/django/db/backends/mysql/base.py
index 35cc7dfc04..27e424f12b 100644
--- a/django/db/backends/mysql/base.py
+++ b/django/db/backends/mysql/base.py
@@ -84,10 +84,7 @@ class CursorWrapper:
             raise
 
     def __getattr__(self, attr):
-        if attr in self.__dict__:
-            return self.__dict__[attr]
-        else:
-            return getattr(self.cursor, attr)
+        return getattr(self.cursor, attr)
 
     def __iter__(self):
         return iter(self.cursor)
diff --git a/django/db/backends/oracle/base.py b/django/db/backends/oracle/base.py
index 224b3ae0ff..56710fcc1f 100644
--- a/django/db/backends/oracle/base.py
+++ b/django/db/backends/oracle/base.py
@@ -518,10 +518,7 @@ class FormatStylePlaceholderCursor:
         return VariableWrapper(self.cursor.arrayvar(*args))
 
     def __getattr__(self, attr):
-        if attr in self.__dict__:
-            return self.__dict__[attr]
-        else:
-            return getattr(self.cursor, attr)
+        return getattr(self.cursor, attr)
 
     def __iter__(self):
         return (_rowfactory(r, self.cursor) for r in self.cursor)