I have never done any serious SQL design before. Anyways I have to store a hierarchical data structure, similar to a tree in a SQL database.<BR><BR>Right now I simply add a "parent_id" column in each ...

With the proliferation of XML as a new common data format, the problem of managing XML documents has become more critical. New technologies are now available that allow organizations to better manage ...

A database management systems, commonly called a DBMS, is integral to business practice for a number of different industries. A DBMS is a software system that companies use to store and retrieve vast ...