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There are two concepts here a Dialect and a Driver.

Driver is like English.

Dialect is the different pronunciations of English.

We all know there are different versions of Oracle... Oracle 9i, Oracle8.

The driver we would use would be a common for all of these.

But the dialect we use is specific to each one of them, which helps Hibernate in generating optimized queries to those specific versions of database.

Also not that this is not mandatory to be given in cfg.xml.

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15y ago

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