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I have been using Hibernate/Spring. I have a small doubt. If we get 1000 records from one table and save to another table using saveOrUpdate() method it saves.
If I call the same method by passing same 1000 records without modifying any record, how hibernate behaves here? Does it fires 1000 update queries or it cleverly identifies whether record is really modified or not?
Thanks!
If those 1000 records were loaded and persisted using same session object it won’t fire any update scripts. If 1000 records were loaded and saved with different session objects then hibernate will fire 1000 update queries.