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PostgreSQL 9.4 Increases Flexibility, Scalability and Performance

With the new JSONB data type for PostgreSQL, users no longer have to choose between relational and non-relational data stores: they can have both at the same time. JSONB supports fast lookups and simple expression search queries using Generalized Inverted Indexes (GIN). Multiple new support functions enable users to extract and manipulate JSON data, with a performance which matches or surpasses the most popular document databases. With JSONB, table data can be easily integrated with document data for a fully integrated database environment.