diff --git a/singlefile/schema.sql b/singlefile/schema.sql
index 68c28c0..0ccbe7b 100644
--- a/singlefile/schema.sql
+++ b/singlefile/schema.sql
@@ -71,18 +71,15 @@ $$;
 CREATE TABLE IF NOT EXISTS users (
     id integer PRIMARY KEY,
     email text NOT NULL CHECK (email LIKE '%@%'),
-    name text NOT NULL
+    name text NOT NULL,
+    city text NOT NULL
 );
 
 COMMENT ON TABLE users IS 'User accounts';
 
 COMMENT ON COLUMN users.email IS 'User email address';
 
---
--- Name: idx_users_email; Type: INDEX; Schema: -; Owner: -
---
-
-CREATE INDEX IF NOT EXISTS idx_users_email ON users (email);
+COMMENT ON COLUMN users.city IS 'User location city';
 
 --
 -- Name: idx_users_name; Type: INDEX; Schema: -; Owner: -