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Reconstuct a Tree with the info from a database

Peng Fan
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Hello, everyone!
Currently, I'm working on a program which is developed using the SWT/JFace library, the program retrieves records from a database table and then show those recodes on Table widget, the database table has column indicate that to which catogory a given recode belongs,so I placed a Tree widget beside the Table widget to navigate to a given category of recodes, the type of that column is VARCHAR in which i stored absolute tree paths like"a:b:c" or"a:b:c " or "a"("a" is always the root node) . My question is: How Can I Dynamically Reconstruct The Tree Using The Absolute Tree Path Information Retrieved From Some DB When I Run The Program? Do I made myself clearly?
If such a way to dynamically construct a tree is not easily feasible, cound you suggest me some better approaches. Thank you!
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