6. Designing a Schema-less Data Model

Document design

Document design is a more involved activity than key design. There are far more variables to consider when creating a document's schema. Some of these factors are specific to Couchbase. Others are generally applicable to document databases.

Denormalization

When designing a relational system, you typically start with a highly denormalized logical view of your entities. That view is then normalized into a physical model where the data is spread across several tables in an effort to minimize any possible data redundancy.

Similarly, you'll likely start your document design by creating a denormalized, logical model. With this approach, your design first considers the most complete document that your domain demands. For example, if you were building a blog, you might start with a blog document with nested posts. Within each post, there would be nested comments and tags:

{
  "type": "blog",
  "title": "John Zablocki'sdllHell.net",
  "author": {
    "name": "john.zablocki",
    "email...

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Couchbase Essentials

By : John C Zablocki

Couchbase Essentials

By: John C Zablocki

Overview of this book

Document design

Denormalization

Couchbase Essentials

By : John C Zablocki

Couchbase Essentials

By: John C Zablocki

Overview of this book

Document design

Denormalization

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