The video introduces CouchDB, a NoSQL document database that uses JSON documents. It highlights CouchDB's advantages, such as easy replication, fast indexing, and REST-like interface. The CouchDB replication protocol is explained, including GET requests and ID generation. Different setup types, like single node and cluster, are discussed. The video also covers Foxton, a web UI for CouchDB, and the use of views for querying data.

What is a key characteristic of CouchDB that differentiates it from relational databases?

• It requires a specific programming language.

• It uses tables to store data.

• It is a closed-source software.

• It uses JSON-like documents to store data.

Which of the following is an advantage of using CouchDB?

• Easy replication across servers

• Limited language support

• Complex setup process

• Inflexible data model

What protocol does CouchDB use for synchronizing JSON documents?

• SOAP

• Couch replication protocol

• SMTP

• FTP

What is the most common setup type for CouchDB?

• Single node setup

• Distributed setup

• Hybrid setup

• Cluster setup

What is Foxton used for in CouchDB?

• To manage databases and documents

• To write complex queries

• To create backup copies

• To perform data analytics

In CouchDB, what is a 'view' primarily used for?

• To store data

• To filter and query data

• To replicate data

• To delete data

What programming language is typically used to write views in CouchDB?

• JavaScript

• C++

• Java

• Python