Distributed databases are usually non-relational databases that enable quick access to data over many nodes.

Distributed search is a model in which the tasks of data crawling, indexing and query processing are distributed among multiple nodes and networks.

Full-text search refers to searching for some text inside extensive text data and returning results that contain some or all the words from the query. In contrast, traditional search would return exact matches.

Not Only SQL databases, shortened to NoSQL, store data differently than relational tables. NoSQL databases come in a variety of types based on their data model. The main types are document, key-value, wide-column, and graph. They provide flexible schemas and scale easily with large amounts of data and high user loads.