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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
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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

Advanced CRUD operations

The basic CRUD operations we've just seen are fairly straightforward and mimic what you'd expect to see in a relational system. As a key/value store, however, Couchbase provides a handful of additional, unique CRUD operations.

Temporary keys

As a descendant of the in-memory-only Memcached, Couchbase supports a set of operations you might not expect to see in a persistent store. Specifically, each of the CRUD methods outlined allows an expiry date to be provided. When set, this "time to live" option will be used to trigger the removal of a key by the server.

It is common in relational systems to have tables with expiration date columns. In this case, the expiry date is likely a flag to be used by a scheduled task that cleans old records. Couchbase Server allows you to achieve this very functionality without the need for a scheduled task or additional properties in the stored value.

To create a key with an expiry date, you can use either the set or add operation. You'll...

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