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  • Book Overview & Buying Couchbase Essentials
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Couchbase Essentials

Couchbase Essentials

By : John C Zablocki
3 (2)
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Couchbase Essentials

Couchbase Essentials

3 (2)
By: John C Zablocki
Buy this Book

Overview of this book

This book is for those application developers who want to achieve greater flexibility and scalability from their software. Whether you are familiar with other NoSQL databases or have only used relational systems, this book will provide you with enough background to move you along at your own pace. If you are new to NoSQL document databases, the design discussions and introductory material will give you the information you need to get started with Couchbase.
Table of Contents (10 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Getting Comfortable with Couchbase
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1. Getting Comfortable with Couchbase
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The NoSQL landscape
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NoSQL taxonomies
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Installing Couchbase
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Ports
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Running Couchbase for the first time
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Exploring the Couchbase Console
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Couchbase architecture
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Couchbase SDKs
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RAM matters
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Summary
2
2. Using Couchbase CRUD Operations
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2. Using Couchbase CRUD Operations
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The Couchbase SDKs
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Basic operations
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Advanced CRUD operations
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Storing complex types
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Concurrency and locking
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Asynchronous operations
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Durability operations
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Summary
3
3. Creating Secondary Indexes with Views
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3. Creating Secondary Indexes with Views
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Couchbase documents
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Couchbase indexes
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MapReduce
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Couchbase views
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Couchbase Console
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Querying views
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Couchbase SDKs and views
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Summary
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4. Advanced Views
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4. Advanced Views
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Querying by type
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Nested collections
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Range queries
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Multiple keys per document
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Compound indexes
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Grouping keys
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Emitting values
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Querying with beer-sample
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Summary
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5. Introducing N1QL
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5. Introducing N1QL
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Installing N1QL
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Simple queries
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Null or missing properties
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String utilities
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Aggregation and math
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Complex structures
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Working with collections
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Joins
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SDK support
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Summary
6
6. Designing a Schema-less Data Model
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6. Designing a Schema-less Data Model
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Key design
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Document design
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Summary
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7. Creating a To-do App with Couchbase
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7. Creating a To-do App with Couchbase
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A simple to-do schema
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Working with SDKs
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Creating a task
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Listing tasks
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Showing only incomplete tasks
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Nested tasks
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Summary
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A. Couchbase SDKs
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A. Couchbase SDKs
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Couchbase Java SDK
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Couchbase .NET SDK
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Couchbase PHP SDK
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The Couchbase Node.js SDK
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Couchbase Python SDK
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Couchbase Ruby SDK
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Couchbase C SDK
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Index
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Index

Key design

With Couchbase, you can't have a document without a key. Therefore, it's clearly important to have a strategy for key design. How you choose to generate your keys will, generally, be partly preference driven and partly use case driven. We'll start by examining what basic requirements exist for keys in Couchbase.

Keys, metadata, and RAM

We saw previously that Couchbase keys are parts of the metadata of a document. This fact was revealed as we explored views that used the meta argument in map functions to retrieve document IDs for indexes. Prior to Couchbase Server 3.0, all keys were kept in the memory even if their documents weren't. Therefore, longer keys required more memory. Since Couchbase performs best when documents are kept in the memory, smaller keys mean more RAM available for documents.

In Couchbase Server 3.0, keeping metadata in the memory is still the default behavior, but it is now tunable. While you're now able to delete metadata from the memory for documents that have...

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Tech Concepts
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Programming languages
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