If you have environment where you restrict access to database objects based on user roles and if you have a lot of databases on different servers in the same domain. The following script can generate roles from a given database in a format that can be used to create roles on different servers where the same(meaning a replicated or standby) database is housed :
A Normalization Primer
For most DBAs, normalization is an understood concept, a bread and butter bit of knowledge. However, it is not at all unusual to review a database design by a development group for an OLTP (OnLine Transaction Processing) environment and find that the schema chosen is anything but properly normalized. This article by Brian Kelley will give you the core knowledge to data model.