Writing and querying MapReduce views in CouchDB / Bradley Holt.

Format:

Book

Author/Creator:

Holt, Bradley.

Language:

English

Subjects (All):

CouchDB (Computer file).

Database management.

Physical Description:

1 online resource (102 p.)

Edition:

First edition.

Place of Publication:

Beijing ; Sebastopol, California : O'Reilly Media, 2011.

Language Note:

English

System Details:

text file

Summary:

If you want to use CouchDB to support real-world applications, you'll need to create MapReduce views that let you query this document-oriented database for meaningful data. With this short and concise ebook, you'll learn how to create a variety of MapReduce views to help you query and aggregate data in CouchDB's large, distributed datasets. You'll get step-by-step instructions and lots of sample code to create and explore several MapReduce views through the course of the book, using an example database you construct. To work with these different views, you'll learn how to use the

Contents:

Table of Contents; Preface; Conventions Used in This Book; Using Code Examples; Safari® Books Online; How to Contact Us; Content Updates; October 19, 2011; Acknowledgments; Chapter 1. Introduction; Resources for Installing CouchDB; Futon; HTTP API; cURL; JSON; Chapter 2. MapReduce; Temporary Views; Map; One-To-One Mapping; One-To-Many Mapping; Conclusion; Reduce; Count; Sum; Stats; Custom Reduce Functions; Limitations of MapReduce; Chapter 3. Design Documents; Titles View; Formats View; Authors View; Storage Considerations; Chapter 4. Querying Views; Range Queries; Rows by Start and End Keys

Rows by KeyRows by Start and End Keys and Document IDs; Limiting, Skipping, and Reversing Results; Limit; Skip; Reversing Output; Grouping; Exact Grouping; Group Levels; Including Documents; Chapter 5. MapReduce Views for SQL Users; Documents; Views; Compound Keys; Relationships; One to Many; Embedded JSON array; Related documents; Many to Many; List of keys; Books and related author data; Authors and related book data; Books and related author references; Authors and related book references; Relationship document; Books and related authors; Authors and related books

Notes:

Description based upon print version of record.

Description based on online resource; title from PDF title page (ebrary, viewed October 8, 2013).

ISBN:

9781306814195

1306814197

9781449303891

1449303897

9781449304133

1449304133

OCLC:

704413572