Very frequently I used to use sp_help to find column names, datatypes and length of datatypes. Sp_help outputs a lot of data which i really don't require to see. so I devised this script
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.