Hi, we are going to have a redundant server (SQL Cluster) for our Data server (server 2012 R2 - SQL 2008), to doing that please let me know can we have that with two different server and database in terms of versioning? for example server 20012 -sql 2008 and server 2012-sql 2012, express version would be enough or we have to buy a full version? should be part of domain or work-group is fine.
thanks