![]() ![]() ![]() This core is, technically, what comprises PostgreSQL itself, but there is an extensive developer community and ecosystem that provides other important feature sets that might, traditionally, be provided by a proprietary software vendor. The PostgreSQL Global Development Group focuses only on developing a database engine and closely related components. It handles a range of workloads from single machines to data warehouses or web services with many concurrent users. PostgreSQL features transactions with atomicity, consistency, isolation, durability ( ACID) properties, automatically updatable views, materialized views, triggers, foreign keys, and stored procedures. After a review in 2007, the development team decided to keep the name PostgreSQL and the alias Postgres. In 1996, the project was renamed to PostgreSQL to reflect its support for SQL. It was originally named POSTGRES, referring to its origins as a successor to the Ingres database developed at the University of California, Berkeley. PostgreSQL ( / ˈ p oʊ s t ɡ r ɛ s ˌ k juː ˈ ɛ l/, POHST-gres kyoo el), also known as Postgres, is a free and open-source relational database management system (RDBMS) emphasizing extensibility and SQL compliance. Linking from code with a different licence PostgreSQL License ( free and open-source, permissive) ![]()
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