PostgreSQL: New Powerful feature of PostgreSQL 9.4

In this post, I am providing short note on the new feature of PostgreSQL 9.4.

PostgreSQL 9.4 has one of the best feature that I have liked it JSON data type.

PostgreSQL 9.4 New Features:

  • JSONB Binary JSON Storage Data Type: You don’t require to take a decision between RDBMS and NOSQL because you can have now both at the same time.
  • Replication Slots: The information is available to the primary server, when the standby server is offline or disconnected.
  • Changeset Streaming/Logical decoding:
    It supplies a new API for filtering, reading and manipulating the replication stream.
  • GIN indexes now faster and smaller:
    pg_prewarm: This is also one of good parameter. When you restart your PostgreSQL Server, shared buffer is empty again. But using this parameter you can take backup of buffer as well.
  • ALTER SYSTEM: you can change your system setting using this ALTER SYSTEM and don’t require to edit postgresql.conf.
  • Improvement in Updatable view.
  • WITH ORDINALITY: A column containing an ordered sequence of numbers is added.
  • Added some new aggregate features.

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