Hi all,

Can anybody explain how to relate three tables with a single association
table.

When a delete a row from master table the entries from the child table
should be deleted.



The tables are.

1).


User.
-----
User_id
User_name
role


Group
-----
group_id
group_name



Project
-------
project_id
project_name



and i want a association table

user_id
group_id
project_id




And please tell how to insert records into this table using Turbogears2
aswell

Thanks in advance

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