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Lesson 1.4: Create entity beans from the database tables

In this lesson you will learn how generate JPA entity beans from tables in the sample Derby database that you connected to in the previous lesson.
Before you begin, you must complete Lesson 1.3: Create a connection to a database.

Generate JPA entity beans

  1. Right-click the project and then click JPA Tools > Generate Entities.
  2. In the Database Connection window, ensure that the database connection that you created in the previous lesson is selected.
  3. For Schema, select SAMP from the drop-down list. If the drop-down list does not work, click Reconnect and then try selecting the SAMP schema again. Click Next.
    Screen shot showing the Generate Entities wizard with the database connection and SAMP schema selected.
  4. On the Generate Entities from Tables page, type employee.list in the Package field.
  5. On the same page, select Synchronize classes in persistence.xml.
  6. In the Tables list, select Department and Employee and then click Finish.
    Screen shot of the Generate Entities from Tables page of the Generate Entities wizard.
    The package employee.list is created and populated with two entities, Employee.java and Department.java.
    Screen shot of the Package Explorer showing the Department.java and Employee.java files in the employee.list package.

Lesson checkpoint

You have completed Lesson 1.3. In this lesson, you learned how to generate JPA entity beans from tables in the sample Derby database.
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