postgresql - 17+277 main

This metapackage always depends on the currently supported PostgreSQL
database server version. It also offers to automatically upgrade the
"main" database cluster to the lastest supported major version.
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PostgreSQL is a fully featured object-relational database management
system. It supports a large part of the SQL standard and is designed
to be extensible by users in many aspects. Some of the features are:
ACID transactions, foreign keys, views, sequences, subqueries,
triggers, user-defined types and functions, outer joins, multiversion
concurrency control. Graphical user interfaces and bindings for many
programming languages are available as well.