hi iam using oracle data base..
i want to update a column....
do in need to use session.saveorupdate("..")
or session.createquery("...")

To update data you would load the mapped data class, change the data in the class, then save the result.

If you just want to update columns directly, write JDBC code. If you want object-relational mapping, use Hibernate.

Note that if you update using JDBC, the results may be masked by the caches in hibernate.