PostgreSQL 9.4 features and how does it work

Asked By 20 points N/A Posted on -

What is JSONB binary, JSON storage in this DB? Can I use an Index key in this database? Describe about the performance of NUMERIC aggregates. Where is it different PostgreSQL 9.4 from Mysql 5.4 dB? Can this install on the MAC operating system? Can it import or export data by using this DB? Thank You


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