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 organization method that is structured in a hierarchy. All access to data starts at the top of the hierarchy and moves downward; for example, from customer to orders, vendor to purchases, ...
Flowcharts have broad applications in the fields of software development, engineering design, and scientific experimentation. Current flowchart data structure is mainly based on the adjacency list, ...
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 ...