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PostgreSQL Performance Tuning BRUCE MOMJIAN, ENTERPRISEDB September, 2007 Abstract POSTGRESQL is an open-source, full-featured relational database. This presentation gives…

Technology Explaining the Postgres Query Optimizer - PGCon 2014

1. Explaining the Postgres Query Optimizer BRUCE MOMJIAN January, 2012 The optimizer is the "brain" of the database, interpreting SQL queries and determining the…

Technology Cassandra 1.1

1. Apache Cassandra 1.1Jonathan Ellis / @spyced©2012 DataStax 2. New features in 1.1 • CQL3 • Global row + key caches • Fine-grained data storage control • Row level…

Technology Accelerating OpenERP accounting: Precalculated period sums

1.Accelerating OpenERP accounting: Precalculated period sumsBorja López Soilánhttp://www.kami.es2. IndexCurrent approach (sum of entries)● Current approach explained.●…

Technology Postgres performance for humans

1.P!"#r$% P$rf&r'()*$ f&r H+'()% @*r(,#-$r%",$)% 2. S.('$/$%% p/+#% http://www.postgresweekly.com http://www.craigkerstiens.com http://www.postgresguide.com…

Technology Čtení explain planu (CSPUG 21.6.2011)

1. ˇCteme EXPLAIN CSPUG, PrahaTom´ˇ Vondra ([email protected]) asCzech and Slovak PostgreSQL Users Group 21.6.2011 2. AgendaK ˇemu slouˇ´ EXPLAIN a EXPLAIN ANALYZE?czıJak…

Documents Row-level Security

1. Row Level SecurityKaiGai Kohei <[email protected]>tw: @kkaigai 2. How RLS should work (1/2)SELECT * FROM drink; Security Policy‘classified’‘unclassified’…