Using Futon and Permanent Views

Using Futon and Permanent Views

Apache CouchDB is a document-oriented NoSQL database that allows users to store and manipulate semi-structured data. It provides a flexible and scalable data storage solution with built-in replication and synchronization features.

One of the key features of CouchDB is the ability to create and use “views” to query and analyze data. Views are essentially predefined queries that extract specific data from documents in the database. There are two types of views in CouchDB: temporary views and permanent views.

Temporary views are created on the fly and are not stored in the database. They are useful for ad-hoc queries or for testing views before creating permanent ones. However, since they are re-created every time they are used, they can be slow and inefficient for frequently accessed queries.

Permanent views, on the other hand, are pre-defined views that are stored in the database and can be accessed multiple times. They are created using MapReduce functions and are stored as design documents. Design documents are regular JSON documents that contain the definition of the view, including the MapReduce function, and other metadata.

Futon is a web-based graphical user interface (GUI) provided by CouchDB that allows users to manage and manipulate data in the database. It also provides a simple and easy-to-use interface for creating and managing views. Users can create, edit, and delete views using Futon’s interface.

To create permanent views using Futon, users must first create a design document for the view. This can be done by navigating to the “Design Documents” tab in Futon and clicking “New Design Document.” Once the design document is created, users can define the view by specifying the MapReduce function in the document’s “views” section. The view can then be queried using the view’s name and any relevant query parameters.

In summary, Apache CouchDB provides a powerful and flexible data storage solution with built-in view functionality. By using Futon and permanent views, users can easily manage and query their data in CouchDB.

Apply for Apache CouchDB Certification Now!!

http://www.vskills.in/certification/Certified-Apache-CouchDB-Professional

Back to Tutorial