diff --git a/level_3/database/database_crud.py b/level_3/database/database_crud.py
new file mode 100644
index 000000000..74eee3a34
--- /dev/null
+++ b/level_3/database/database_crud.py
@@ -0,0 +1,15 @@
+
+
+
+@contextmanager
+def session_scope(session):
+    """Provide a transactional scope around a series of operations."""
+    try:
+        yield session
+        session.commit()
+    except Exception as e:
+        session.rollback()
+        logger.error(f"Session rollback due to: {str(e)}")
+        raise
+    finally:
+        session.close()
\ No newline at end of file
diff --git a/level_3/vectordb/basevectordb.py b/level_3/vectordb/basevectordb.py
index a764c280b..d39c2601b 100644
--- a/level_3/vectordb/basevectordb.py
+++ b/level_3/vectordb/basevectordb.py
@@ -227,6 +227,6 @@ class BaseMemory:
             n_of_observations=n_of_observations
         )
 
-    async def delete_memories(self, params: Optional[str] = None):
-        return await self.vector_db.delete_memories(params)
+    async def delete_memories(self, namespace:str, params: Optional[str] = None):
+        return await self.vector_db.delete_memories(namespace,params)