diff --git a/sql/script_creation_dataset.sql b/sql/script_creation_dataset.sql
index 5e490fe..4efd1f0 100644
--- a/sql/script_creation_dataset.sql
+++ b/sql/script_creation_dataset.sql
@@ -93,7 +93,7 @@ CREATE TABLE
     PRIMARY KEY (idcarte, idplateau),
     idcarte INTEGER NOT NULL,
     idplateau INTEGER NOT NULL,
-    rang VARCHAR(42)
+    rang TINYINT
   );
 
 CREATE TABLE