By MC Brown
Ultra-modern hugely interactive web content pose a problem for standard SQL databases - the power to scale speedily and serve a great deal of concurrent clients. With this concise consultant, you are going to how to construct internet functions on most sensible of Couchbase Server 2.0, a NoSQL database that could deal with web content and social media the place millions of clients learn and write huge volumes of knowledge. utilizing meals recipe info as examples, this ebook demonstrates how one can reap the benefits of Couchbase's document-oriented database layout, and the way to shop and question facts with a variety of CRUD operations. detect why Couchbase is healthier than SQL databases with memcached stages for dealing with facts from the main interactive parts of your software.
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Additional resources for Developing with Couchbase Server: Building Scalable, Flexible Database-Based Applications
With add() the operation will fail if the document ID you specify already exists. '); The add() function is useful when you are storing data into the database for the first time. For example, consider storing user data using the email address as the document ID. Using set() would overwrite an old user record. Using add() would fail the registration and indicate the user should use the password recovery system. The add() function is also atomic, so multiple writers can be adding data to the cluster at the same time, and it’s safe to use within a multi-threaded environment.
Each design document can contain mul‐ tiple views, and each view can contain both the map and optional reduce function. You can define multiple design documents per bucket.
Sometimes this is just for the purposes of external storage (for example on disk), but more complex solutions exist for object relational modeling (ORM), where an in‐ ternal object is translated into RDBMS based storage. With Couchbase Server an alternative model is available, with internal objects being serializable into the JSON format, which allows integration with the built-in document model, views and indexing. Within the PHP client library there are a number of optional connection options that configure how the client library behaves.