On Wednesday 17 May 2006 12:19 pm, "venu Vempati" <venu.vempati@xxxxxxxxx> thus communicated: --> Hi, --> my confession first..I have introduced myself this PostGRE db and I have a --> basic doubt? --> --> Where can I find a document about the structure of database/schema/users --> etc.. --> and how is the data actually stored, like the datafiles, tablespaces. --> by now you must have guessed I have some knowledge of Oracle..(oops can I --> use thisname here??!!) --> Thanks for your feedback.Just a link to a document should be OK to start --> with, if someone is taking pain to explain, most welcome :)) --> Regards.. --> --Venu --> http://www.postgresql.org/ has all sorts of documentation regarding the questions you ask.