diff --git a/src/query_operations/mod.rs b/src/query_operations/mod.rs
index 4074cc9..ac00e06 100644
--- a/src/query_operations/mod.rs
+++ b/src/query_operations/mod.rs
@@ -22,3 +22,13 @@ pub struct Query {
     pub update_data: Option<Value>,
     pub row_data: Option<Value>,
 }
+
+
+#[derive(Debug, PartialEq, Serialize, Deserialize, Clone)]
+pub struct ForeignKeyConstraint {
+    pub table_name: String,
+    pub column_name: String,
+    pub foreign_table_name: String,
+    pub foreign_column_name: String,
+}
+
diff --git a/src/query_operations/query.rs b/src/query_operations/query.rs
index 4face82..3fba06c 100644
--- a/src/query_operations/query.rs
+++ b/src/query_operations/query.rs
@@ -69,10 +69,10 @@ impl Query {
         let mut db = Database::load_from_file(&self.db_file_name)
             .await
             .map_err(DatabaseError::LoadError)?;
-        self.handle_execute_add_sync(&mut db).await // Shared logic
+        self.handle_execute_add(&mut db).await // Shared logic
     }
 
-    async fn handle_execute_add_sync(&self, db: &mut Database) -> Result<(), DatabaseError> {
+    async fn handle_execute_add(&self, db: &mut Database) -> Result<(), DatabaseError> {
         let table_name = self
             .table_name
             .clone()