UPDATE Flight SET hostesses={10} WHERE idFlight=1;

DELETE hostesses FROM Flight WHERE idFlight=1;

UPDATE Flight SET hostesses=hostesses + {9} WHERE idFlight=1;

SELECT idFlight, hostesses[0] FROM Flight WHERE idFlight = 1;

Graph-Oriented Store

Key-Value Store

Wide Column-Oriented Store

Document-Oriented Store

Column Oriented

Consistency

Scalability

Elasticity

Decentralized

To map a key to another in the JSON document

To create points on a map with a geo-shape key

To change the type of a value

To extract top keywords from a text

The ability to handle several types in the index?

The ability to be integrated easily in an application?

The ability to scale up by adding new shards easily?

Thanks to IDF, stop-words can be more relevant than uncommon words

If the similarity between the query and the document is close to 1, it means that they are similar

The IDF measures how much the word is inversely proportional in the document

The TF measures how much the word is important in the document

Virtual

Velocity

Variety

Volume