Labs

1. Add @GeneratedValue annotation to the id field of the following Entities:

2. Language

3. Film
4. Address

5. Staff

6. Create a Rental entity.

   • Map the following fields:
   • id
   • rentalDate
   • returnDate

Here is the rental table for reference:

```
+--------------+------------------+------+-----+---------+----------------+
| Field        | Type             | Null | Key | Default | Extra          |
+--------------+------------------+------+-----+---------+----------------+
| id           | int(11)          | NO   | PRI | NULL    | auto_increment |
| rental_date  | datetime         | NO   | MUL | NULL    |                |
| inventory_id | int(10) unsigned | NO   | MUL | NULL    |                |
| customer_id  | int(10) unsigned | NO   | MUL | NULL    |                |
| return_date  | datetime         | YES  |     | NULL    |                |
| staff_id     | int(10) unsigned | NO   | MUL | NULL    |                |
+--------------+------------------+------+-----+---------+----------------+
```

1. Create JUnit test cases for Rental to check that it's mappings are successful.

2. If you are getting a failed test, check the console to see why it is failing.

3. What could : Caused by: org.hibernate.UnknownEntityTypeException be indicating?

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