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why did not suppert Rollback? postgresql

P: 15
hi ,all
why did not suppert Rollback? postgresql

update user_t where user_id=103 set user_name='henry'

but can not rollback . why , how to rollabck

and do not suppert the

delete from user_t where user_id=105 cascade;


why did not suppert cascade ?

thanks
Sep 29 '07 #1
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Expert 100+
P: 700
hi ,all
why did not suppert Rollback? postgresql

update user_t where user_id=103 set user_name='henry'

but can not rollback . why , how to rollabck

and do not suppert the

delete from user_t where user_id=105 cascade;


why did not suppert cascade ?

thanks
If you want to use rollback you should first start a transaction. Maybe just read a postgres manual at postgresql.org
Sep 29 '07 #2

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