diff --git a/model/ddl.sql b/model/ddl.sql
index 0e93fd8..f3b9056 100644
--- a/model/ddl.sql
+++ b/model/ddl.sql
@@ -111,8 +111,9 @@ CREATE TABLE PUBLIC.BAY (
     GRID VARCHAR(64) NOT NULL DEFAULT '',
     ZONE VARCHAR(64) NOT NULL DEFAULT '',
     STATION VARCHAR(64) NOT NULL DEFAULT '',
-  	FROM_NODE JSONB NOT NULL DEFAULT '[]', -- uuids
-  	TO_NODE JSONB NOT NULL DEFAULT '[]', -- uuids
+    BUSINESS JSONB NOT NULL DEFAULT '{}', -- {'unom':0.0,'bus_connected':''}
+  	FROM_UUIDS JSONB NOT NULL DEFAULT '[]', -- uuids
+  	TO_UUIDS JSONB NOT NULL DEFAULT '[]', -- uuids
     OP INTEGER NOT NULL DEFAULT -1,
     TS TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP 
 );
diff --git a/model/ddl_4_bay.sql b/model/ddl_4_bay.sql
index 892500f..cb50b24 100644
--- a/model/ddl_4_bay.sql
+++ b/model/ddl_4_bay.sql
@@ -9,8 +9,9 @@ CREATE TABLE PUBLIC.BAY (
     GRID VARCHAR(64) NOT NULL DEFAULT '',
     ZONE VARCHAR(64) NOT NULL DEFAULT '',
     STATION VARCHAR(64) NOT NULL DEFAULT '',
-  	FROM_NODE JSONB NOT NULL DEFAULT '[]', -- uuids
-  	TO_NODE JSONB NOT NULL DEFAULT '[]', -- uuids
+    BUSINESS JSONB NOT NULL DEFAULT '{}', -- {'unom':0.0,'bus_connected':''}
+  	FROM_UUIDS JSONB NOT NULL DEFAULT '[]', -- uuids
+  	TO_UUIDS JSONB NOT NULL DEFAULT '[]', -- uuids
 	OP INTEGER NOT NULL DEFAULT -1,
     TS TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP 
 );
\ No newline at end of file