Hi,
if you download openerp from Nightly OpenERP (http:// nightly.openerp. com/) existly list :
....
openerp-7.0-20130714-....tar.gz
openerp-7.0-20130715-....tar.gz
openerp-7.0-20130716-....tar.gz
.....
1-is that we must always work with the same version?
for example I installe openerp-7.0-xxxxxxxx-....tar.gz for my customer . customer decided to change the web host. i exported database and I downloaded openerp-7.0-20130716-....tar.gz if i imported the database to my new openerp instalation it displays errors incompatibility database.
2-Means in my production environment should keep several version of openerp :
openerp_to_customer1
openerp_to_customer2
..
openerp_to_customerN
Thanks.