Usually when we recreate or rename a table we need to give the appropriate access permissions to the SQL users...this is very common in database under development environment where frequently table structure changes and we have to recreate it....we can accomplish this with Enterprise Manager but what will you do if Enterprise Manager fails to do so....
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.