Putting it All Together

We just created several objects and a lot of relationships. The following simple diagram shows us what we’ve accomplished so far.

Figure 42. Recruiting App Relationships

All of these relationships, objects, and fields are shown below in an entity relationship diagram. An entity relationship diagram (ERD) is a conceptual representation of structured data, and is especially useful for planning and understanding an app.

Figure 43. Recruiting App Entity Relationship Diagram

We’ve ...

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