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Old 15th May 2012
J65nko J65nko is offline
Join Date: May 2008
Location: Budel - the Netherlands
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Default PostgreSQL 9.2 beta improves scalability, adds JSON

From http://h-online.com/-1573815

The beta release of version 9.2 of the open source PostgreSQL database has been announced by the PostgreSQL Global Development Group, promising major improvements in performance that enable better horizontal and vertical scalability. One new optimisation – index-only scanning – allows searches to avoid reading the underlying tables and instead search only the indexes; index only scanning happens automatically but there are a number of caveats to its effectiveness. It is claimed though that it will, for most use cases and data warehousing, provide "an order-of-magnitude performance improvement".
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