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multiple record update in dbase thru sqlalchemy in python shell

I need to update multiple record in my table(in PostgreSQL dbase)..

here is my sample data
user_id user_name display_name email_address
1 user1 BPI bpi.com
2 user2 Union union.com
3 user3 WestBank westbank.com

i want to change the user_name of record 1 (user1--->user10),
change display_name of record2 (BPI --> HSBC) and email_address of record3(bpi.com-->hsbc.com)

how can i do that using sqlalchemy (object mapping) in python shell?
>>>session.query(User).filter_by(.....)

pls help.. thanks
Sep 17 '07 #1
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