>This is SQL-Server specific:
>
>http://vyaskn.tripod.com/hierarchies_in_sql_server_databases.htm
>
>If you want some general discussions on the topic google for
>celko and trees or hierarchical or nested sets
>
>HTH
>
>Dick
>
>
>On Jun 1, 2004, at 11:22 PM, Paul Wilson wrote:
>
>>
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