05 NoSQL introduction

Differences with the traditional data model Schema Less Approach This new types of data model require lot of flexibility,which is usually implemented by getting rid of the traditional fixed schema of…

Transaction is SQL, ACID In the relational world we are used to having the concept of a transaction, an elementary unit of work encapsulated by begin and commit commands characterized by ACID…

MultiValue databases at TRW in 1965. DBM is released by AT&T in 1979. Lotus Domino released in 1989. Carlo Strozzi used the term NoSQL in 1998 to name his lightweight, opensource relational…

Key-Value Store A key that refers to a payload (actual content / data). E.g. MemcacheDB, Azure Table Storage, Redis Key-value databases work by storing dictionaries or hash tables , which are a…