💡 PostgreSQL, also known as Postgres, is a free and open-source relational database management system emphasizing extensibility and SQL compliance.

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💡 PostgreSQL FAQ


How do I check my PostgreSQL database?

Use \l or \l+ in psql to show all databases in the current PostgreSQL server. Use the SELECT statement to query data from the pg_database to get all databases.


Which is better PostgreSQL or Oracle?

Overall, PostgreSQL and Oracle are evenly matched in their capabilities, performance, and compatibility. Oracle takes the lead on security, replication, and availability, while PostgreSQL has stronger API compatibility, cheaper support and more robust scalability.Mar 30, 2021


Is PostgreSQL free and open source?

In addition to being free and open source, PostgreSQL is highly extensible. For example, you can define your own data types, build out custom functions, even write code from different programming languages without recompiling your database!


Can I host PostgreSQL on AWS?

PostgreSQL has a rich history for support of advanced data types, and supports a level of performance optimization that is common across its commercial database counterparts, like Oracle and SQL Server. AWS supports PostgreSQL through a fully managed database service with Amazon Relational Database Service (RDS).


How to fetch data from PostgreSQL database in php?

$psql = new psql('localhost','database','user','password'); $psq = pg_query("SELECT * FROM students"); $result = pg_fetch_row($psq); var_dump($result); php.


Does PostgreSQL lock table?

There is no LOCK TABLE in the SQL standard, which instead uses SET TRANSACTION to specify concurrency levels on transactions. PostgreSQL supports that too; see SET TRANSACTION for details.


👨‍💻 Featured PostgreSQL Jobs

Front End Developer -

🏢   📍 Unknown   🌐 Mar 29, 2023

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🏢 Contra   📍 Unknown   🌐 Mar 27, 2023

DevOps Engineer

🏢 Oddball   📍 Unknown   🌐 Mar 21, 2023

Site Reliability/Platform Engineer (SRE/SaaS)

🏢 DNSimple   📍 Unknown   🌐 Mar 20, 2023

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