I've seen several examples for persisting entity objects, and even removing them from
databases, but I can't seem to find a good example of how to use the EntityManager to
update a database record for an entity. For example, if I have an Account entity object
called "acct", and I've made a few changes to it, isn't there a call
similar to "em.persist" that I can make that will update this record? I've
seen an example where a transaction is started, the entity properties are set, then the
transaction is closed, but there's hopefully a different way than this, using just a
reference to the modified entity. Maybe I've just not been looking in the right
place, but any help will be appreciated. Thank you.
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