Frase de motivação
we took a view that NoSQL refers to a particular rush of recent databases. Some characteristics are common amongst these databases, but none are definitional.
Not using the relational model (nor the SQL language)
Open source
Designed to run on large clusters
Based on the needs of 21st century web properties
No schema, allowing fields to be added to any record without controls
As Gartner, they all evoke: