- Basic CMP
Scenario: Headmaster Dumbledore needs a database of Courses.
- Finding Entity Beans with EJB-QL
Scenario: Headmaster Dumbledore needs to list all the courses and find the
- Creating and Removing Entity Beans
Scenario: Headmaster Dumbledore adds two courses to the curriculum,
then changes his mind and removes them again
- Container Persistent Relations
Scenario: Professor Snape wants to know which students live in which house
- ejbSelect for more EJB-QL queries
Scenario: Professor McGonagall needs a list of all the boys in a house
- One-to-One Entity Relationship
Scenario: At Hogwarts every Professor teaches one
Course. The Headmaster keeps track with two 1-1-related CMP
- Many-to-Many Entity Relationship
Scenario: Professor McGonagall needs to see everybody's
schedule as well as an enrollment list for every class
- Map Relations and Compound Primary Keys
This tutorial introduces compound primary keys and map relations.
Both were initially supported in Resin-CMP 1.0.4. Applications can
take advantage of these more advanced CMP features to more cleanly
model database tables.
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