Add a fetch collection test

Add test case showing that preserving the first id state does not improve performance in IdEqualityTest

Change build scripts

Add the delete without SELECT test case

Add a proof for the READ_ONLY @QueryHint

Add SQL Server Date/Time test cases

Add test cases for TIMESTAMP WITH LOCAL TIME ZONE using different time_zone setting

Upgrade Hibernate version

Remove test class and add more tests

Rename test classes

Demonstrate how the partial updates works with optimstic locking using Session.update

Demonstrate how the partial updates works with optimstic locking

Add example for fetching a Category along with all its parents

Move Oracle Date/Time tests to a dedicated package

Add tests for Oracle and PostgreSQL timestamp columns