Just Another Dang Blog

Object Relationships
Link two objects
-parent to child
-one to many
two main types
-lookup
-master-detail
two special types // implementation of the two
-self relationships
-many to many relationships
lookup relationships
-loosely coupled
* child field value may be optional
* no cascade delte
* independent ownerhip / — independent access control
* max 25 lookup per child
– child may not have a parent
master detail
-tightly coupled
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Most of the work revolves around creating custom objects, there are standard objects provided by the platform but custom objects are the core structure data model that makes your application relevant & useful to your organization.
Custom Objects are the the heart of any application
- provide a structure for storing data
- power the interface elements for [...]

Multitenant architecture – An application model in which all users and apps share a single, common infrastructure and code base
Metadata-driven development model – An app development model that allows apps to be defined as declarative “blueprints,” with no code required. Data models, objects, forms, workflows, and more are defined by metadata.
NOTE: There is a Force.com [...]

The applications you build on force.com follows a building block layer logic of MVC(Model-View-Controller). Being able to quickly identify on which building block you are working would help on studying the different exam outline.
From wikipedia.
The model is the domain-specific representation of the data upon which the application operates. Domain logic adds meaning to raw [...]

For starters first go to register at http://developer.force.com for a free account.
Then download the Force.com Fundamentals ebook – This book is intensive and requires a lot of reading. It guides you in building your first application using different kind of relationships, adding security, loading data via excel and alot more. It doesn’t cover some other [...]