“PostgreSQL Interview Questions and Answers will guide us about PostgreSQL, often simply Postgres, is an object-relational database management system (ORDBMS). It is released under a MIT-style license and is thus free and open source software. As with many other open source programs, PostgreSQL is not controlled by any single company, but has a global community of developers and companies to develop it. Learn PostgreSQL by this PostgreSQL Interview Questions with Answers guide”
Functions are important because they help the code to be executed on the server. Some of the languages which can program functions for efficient use are PL/pgSQL which is the native language of PostgreSQL. Scripting languages are supported by many languages such as PHP, Perl, Python, etc. PL/R a statistical language can also be used.
CREATE USER usr WITH password 'passwd';
/usr/local/bin/pg_dump mydatabase > mydatabase.pgdump
su -l pgsql
psql -l
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