:)How does XSLT transform XML:The first stage is a structural transformation, in which the data is converted from the structure of the incoming XML document to a structure that reflects the desired outputThe second stage is formatting, in which the new structure is output in the required format such as HTML or PDF.
Transaction synchronizationis the process by which a persistence context is registered with a transaction so thatthe persistence context may be notified when a transaction commits. The provider uses thisnotification to ensure that a given persistence context is correctly flushed to the database.Transaction associationis the act of binding a persistence context to a transaction. You can alsothink of this as the active persistence context within the scope of that transaction.