PostgreSQL is a powerful, open source object-relational database system. It has full support for foreign keys, joins, views, triggers and stored procedures. PostgreSQL boasts sophisticated features such as Multi-Version Concurrency Control (MVCC), asynchronous replication, nested transactions (savepoints), online backups, a sophisticated query planner/optimizer and write ahead logging for fault tolerance, point in time recovery and tablespaces.
You can perform database structure modeling, generation and modification.
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