PostgreSQL introduced jsonb support

Binary JSON

PostgreSQL has introduce jsonb.. a diamond in the crown of PostgreSQL 9.4.Based on an elegant hash opclass for GIN, which competes with MongoDB performance in contains operator .

Feature’s documentation : http://www.postgresql.org/docs/devel/static/datatype-json.html

Feature’s story:  http://obartunov.livejournal.com/177247.html

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