diff --git a/htdocs/install/mysql/tables/llx_product_association.key.sql b/htdocs/install/mysql/tables/llx_product_association.key.sql
new file mode 100755
index 00000000000..195d2464738
--- /dev/null
+++ b/htdocs/install/mysql/tables/llx_product_association.key.sql
@@ -0,0 +1,24 @@
+-- ============================================================================
+-- Copyright (C) 2010 Laurent Destailleur  <eldy@users.sourceforge.net>
+--
+-- 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+--
+-- $Id$
+-- ============================================================================
+
+
+ALTER TABLE llx_product_association ADD UNIQUE INDEX uk_product_association (fk_product_pere, fk_product_fils);
+
+ALTER TABLE llx_product_association ADD INDEX idx_product_association_fils (fk_product_fils);
diff --git a/htdocs/install/mysql/tables/llx_product_association.sql b/htdocs/install/mysql/tables/llx_product_association.sql
new file mode 100755
index 00000000000..bf540e3cb38
--- /dev/null
+++ b/htdocs/install/mysql/tables/llx_product_association.sql
@@ -0,0 +1,29 @@
+-- ============================================================================
+-- Copyright (C) 2006 Rodolphe Quiedeville <rodolphe@quiedeville.org>
+-- Copyright (C) 2010 Laurent Destailleur  <eldy@users.sourceforge.net>
+--
+-- 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+--
+-- $Id$
+-- ============================================================================
+
+create table llx_product_association
+(
+  rowid                 integer AUTO_INCREMENT PRIMARY KEY,
+  fk_product_pere       integer NOT NULL DEFAULT 0, -- id du produit maitre
+  fk_product_fils       integer NOT NULL DEFAULT 0, -- id du sous-produit
+  qty                   double NULL
+)type=innodb;
+