How to define Hash Clusters

Hi ,
Can u anybody of u help me out in explaining about what is Hash Clustering in SQL Server2000.
Please tell me how to define it syntactically
When i can use Hash clustering ?
What is the Advantage of using this ?
Tell me some of the Sites which has a complete information about Hash ClusteringHash join or hash index ?|||Originally posted by rnealejr
Hash join or hash index ?

I need information both on Hash Clustering and Hash Index in SQL Server.