credativ® Blog
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Tag: PostgreSQL®
05 August 2014
Informix Foreign Data Wrapper for PostgreSQL®
Since PostgreSQL® 9.1, PostgreSQL® has implemented an interface for accessing external data sources. The interface defined in the SQL Standard (SQL/MED) allows transparent access to and manipulation of external data sources in the same manner as with PostgreSQL®-native tables. External data sources appear as tables in the respective database and can be used without restriction […]
09 September 2013
PostgreSQL® 9.3
PostgreSQL® 9.3 is here! The new major version brings many improvements and new functions. This article introduces some of the interesting innovations. Improved Locking with Foreign Keys Foreign keys are indispensable for the referential integrity of the data. However, up to and including PostgreSQL® 9.2, these also caused locking problems under certain conditions when UPDATE […]