diff --git a/base_model/ddl_v2.sql b/base_model/ddl_v2.sql
index e113978..248e0ec 100644
--- a/base_model/ddl_v2.sql
+++ b/base_model/ddl_v2.sql
@@ -48,6 +48,7 @@ CREATE TABLE BASIC.ATTRIBUTE (
 	IS_NOT_NULL SMALLINT NOT NULL DEFAULT -1,
 	DEFAULT_VALUE VARCHAR(64) NOT NULL DEFAULT '',
 	VALUE_RANGE VARCHAR(128) NOT NULL DEFAULT ',',
+	IS_VISIBLE SMALLINT NOT NULL DEFAULT -1,
 
 	FOREIGN KEY (DATA_TYPE_ID) REFERENCES BASIC.DATA_TYPE (ID)
 );