2014년가기전에 릴리즈됐네요^^
빅데이터를 지원을 위한 NOSQL 로서의 기능도 점점 강조되고 있네요.
Major enhancements in PostgreSQL 9.4 include:
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Add jsonb, a more capable and efficient data type for storing JSON data
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Add new SQL command ALTER SYSTEM for changing postgresql.conf configuration file entries
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Reduce lock strength for some ALTER TABLE commands
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Allow materialized views to be refreshed without blocking concurrent reads
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Add support for logical decoding of WAL data, to allow database changes to be streamed out in a customizable format
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Allow background worker processes to be dynamically registered, started and terminated
