diff --git a/db/ddlutils/oracle/functions/Generate_UUID.sql b/db/ddlutils/oracle/functions/Generate_UUID.sql
new file mode 100644
index 0000000000..9fd7d0fbc7
--- /dev/null
+++ b/db/ddlutils/oracle/functions/Generate_UUID.sql
@@ -0,0 +1,28 @@
+/*
+*This file is part of Adempiere ERP Bazaar
+*http://www.adempiere.org
+*
+*This program is free software; you can redistribute it and/or
+*modify it under the terms of the GNU General Public License
+*as published by the Free Software Foundation; either version 2
+*of the License, or (at your option) any later version.
+*
+*This program is distributed in the hope that it will be useful,
+*but WITHOUT ANY WARRANTY; without even the implied warranty of
+*MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+*GNU General Public License for more details.
+*
+*You should have received a copy of the GNU General Public License
+*along with this program; if not, write to the Free Software
+*Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.of
+*/
+create or replace function generate_uuid return varchar as
+guid varchar(32);
+uuid varchar(36);
+begin
+	guid := lower(sys_guid());
+	uuid := substr(guid, 1, 8) || '-' || substr(guid, 9, 4) || '-' || substr(guid, 13, 4) || '-' || substr(guid, 17, 4) || '-' || substr(guid, 21, 12);
+	return uuid;
+end;
+/
+
diff --git a/db/ddlutils/postgresql/functions/Generate_UUID.sql b/db/ddlutils/postgresql/functions/Generate_UUID.sql
new file mode 100644
index 0000000000..9d0329028f
--- /dev/null
+++ b/db/ddlutils/postgresql/functions/Generate_UUID.sql
@@ -0,0 +1,26 @@
+/*
+*This file is part of Adempiere ERP Bazaar
+*http://www.adempiere.org
+*
+*This program is free software; you can redistribute it and/or
+*modify it under the terms of the GNU General Public License
+*as published by the Free Software Foundation; either version 2
+*of the License, or (at your option) any later version.
+*
+*This program is distributed in the hope that it will be useful,
+*but WITHOUT ANY WARRANTY; without even the implied warranty of
+*MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+*GNU General Public License for more details.
+*
+*You should have received a copy of the GNU General Public License
+*along with this program; if not, write to the Free Software
+*Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.of
+*/
+
+CREATE OR REPLACE FUNCTION generate_uuid()
+RETURNS char(36) AS $$
+BEGIN
+	return uuid_generate_v4()::char(36);
+END;
+$$ LANGUAGE plpgsql IMMUTABLE STRICT;
+
diff --git a/db/ddlutils/postgresql/uuid-ossp.sql b/db/ddlutils/postgresql/uuid-ossp.sql
new file mode 100644
index 0000000000..d8f31a002d
--- /dev/null
+++ b/db/ddlutils/postgresql/uuid-ossp.sql
@@ -0,0 +1,54 @@
+/* $PostgreSQL: pgsql/contrib/uuid-ossp/uuid-ossp.sql.in,v 1.6 2007/11/13 04:24:29 momjian Exp $ */
+
+-- Adjust this setting to control where the objects get created.
+SET search_path = public;
+
+CREATE OR REPLACE FUNCTION uuid_nil()
+RETURNS uuid
+AS '$libdir/uuid-ossp', 'uuid_nil'
+IMMUTABLE STRICT LANGUAGE C;
+
+CREATE OR REPLACE FUNCTION uuid_ns_dns()
+RETURNS uuid
+AS '$libdir/uuid-ossp', 'uuid_ns_dns'
+IMMUTABLE STRICT LANGUAGE C;
+
+CREATE OR REPLACE FUNCTION uuid_ns_url()
+RETURNS uuid
+AS '$libdir/uuid-ossp', 'uuid_ns_url'
+IMMUTABLE STRICT LANGUAGE C;
+
+CREATE OR REPLACE FUNCTION uuid_ns_oid()
+RETURNS uuid
+AS '$libdir/uuid-ossp', 'uuid_ns_oid'
+IMMUTABLE STRICT LANGUAGE C;
+
+CREATE OR REPLACE FUNCTION uuid_ns_x500()
+RETURNS uuid
+AS '$libdir/uuid-ossp', 'uuid_ns_x500'
+IMMUTABLE STRICT LANGUAGE C;
+
+CREATE OR REPLACE FUNCTION uuid_generate_v1()
+RETURNS uuid
+AS '$libdir/uuid-ossp', 'uuid_generate_v1'
+VOLATILE STRICT LANGUAGE C;
+
+CREATE OR REPLACE FUNCTION uuid_generate_v1mc()
+RETURNS uuid
+AS '$libdir/uuid-ossp', 'uuid_generate_v1mc'
+VOLATILE STRICT LANGUAGE C;
+
+CREATE OR REPLACE FUNCTION uuid_generate_v3(namespace uuid, name text)
+RETURNS uuid
+AS '$libdir/uuid-ossp', 'uuid_generate_v3'
+IMMUTABLE STRICT LANGUAGE C;
+
+CREATE OR REPLACE FUNCTION uuid_generate_v4()
+RETURNS uuid
+AS '$libdir/uuid-ossp', 'uuid_generate_v4'
+VOLATILE STRICT LANGUAGE C;
+
+CREATE OR REPLACE FUNCTION uuid_generate_v5(namespace uuid, name text)
+RETURNS uuid
+AS '$libdir/uuid-ossp', 'uuid_generate_v5'
+IMMUTABLE STRICT LANGUAGE C;