<< database

nosql

• Distributed, fault-tolerant architecture
• No fixed schema (formally described structure)
• No joins (typical in databases operated with SQL)
• Class of non-relationsal data storage systems, e.g. BigTable, Dynamo, PNUTS/Sherpa.
• All NoSQL offerings relax one or more of the ACID properties.
• Not Only SQL == NoSQL != NOT SQL

NoSQL database:

• Mongodb
• Redis