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I have persistence.xml file in my project and in this file one property is being set, so I am curious, Why it is being set? What it does?
<property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect" />
Although basic SQL is a standard, different databases use different data types for certain things outside the standard, have different methods of quoting identifiers, etc. The dialect is hibernate’s way to abstract away from these differences – think of it as the translation layer between HQL and the right SQL for each database.