CouchDB has a JSON document storage model with a powerful query engine based on a HTTP API.
While a traditional relational database requires you to model your data up front, CouchDB’s schema-free design unburdens you with a powerful way to aggregate your data after the fact, just like we do with real-world documents. We’ll look in depth at how to design applications with this underlying storage paradigm.
On recent Ubuntu versions, you can install an up-to-date version of CouchDB with
sudo apt-get install couchdb. For older versions, such as Ubuntu 14.04, you should run:
sudo add-apt-repository ppa:couchdb/stable -y sudo apt-get update sudo apt-get install couchdb -y
To install couchdb in fedora ryou can do
sudo dnf install couchdb
To install CouchDB on Mac OS X, you can install the Mac app from the CouchDB downloads section.
To install CouchDB on Windows, you can simply download the executable from CouchDB downloads section.
By default, CouchDB listens on port 5984. Visiting
http://127.0.0.1:5984 will yield a response that looks like this:
CouchDB comes out-of-the-box with a GUI called Futon. You can find this interface at
http://127.0.0.1:5984/_utils. Here, you can easily set up an administrator account and configure other important settings.