Why do I need to configure the SQL dialect of a data source?

Question

When we configure a data source using Hibernate, we should add the hibernate.dialect property (or eclipselink.target-database if you are using Ecli

Answer 1

The dialect in the Hibernate context, will take care of database data type, like in orace it is integer however in SQL it is int, so this will by known in hibernate by this property, how to map the fields internally.