Tell me about the PostGres Database Technology # ChatGPT Answer PostgreSQL, often known simply as Postgres, is an open-source relational database management system (RDBMS) that emphasizes extensibility and SQL compliance. It was originally developed at the University of California at Berkeley in 1986. [[PostgreSQL]] supports both SQL (relational) and JSON (non-relational) querying. This makes it a highly flexible and versatile tool, as it allows for the use of both structured and unstructured data. It also supports a number of advanced data types, such as arrays and hstore (for key-value pairs). One of Postgres' most notable features is its concurrency control, which allows for high performance during heavy load conditions. This makes Postgres particularly well-suited for large databases and data warehousing. Postgres offers a number of other robust features, including complex queries, foreign keys, triggers, updatable views, transactional integrity, and multi-version concurrency control. It also supports stored procedures in multiple programming languages, such as PL/pgSQL (similar to Oracle's PL/SQL), JavaScript, Python and Perl. Being open-source means that Postgres is free to use and modify. It has a strong community of developers who contribute to its development and offer support through forums and mailing lists. In terms of security, PostgreSQL provides robust access controls, views, granular permissions and sophisticated row-level security. Furthermore, PostgreSQL is ACID-compliant (Atomicity Consistency Isolation Durability), ensuring reliability in the event of system failures or crashes. Finally, PostgreSQL can run on various platforms including Linux, UNIX(AIX,Solaris), MacOS and Windows. # Bard Answer PostgreSQL, often shortened to Postgres, is a powerful and popular open-source object-relational database management system (ORDBMS). It's known for its **reliability, flexibility, and advanced features**, making it a versatile choice for various applications and workloads. Here's a breakdown of its key characteristics: **Core Strengths:** - **Open-source:** Free to use and modify, fostering a large and active community for support and development. - **Object-relational:** Combines features of both relational and object-oriented databases, allowing for complex data modeling and extensibility. - **SQL compliant:** Supports the SQL language with various extensions, making it familiar for developers with relational database experience. - **Feature-rich:** Offers a wide range of features like ACID transactions, stored procedures, triggers, foreign keys, and more. - **Scalable:** Handles small deployments to large data warehouses and web services with high concurrency. - **Extensible:** Allows creating custom data types, functions, and extensions for specialized needs. - **Platform-independent:** Runs on major operating systems like Linux, Windows, macOS, and more. **Applications:** - **Web applications:** Popular choice for powering web applications of all sizes due to its reliability and scalability. - **Mobile applications:** Can be used for mobile app development, especially for data-intensive apps. - **Data warehousing:** Suitable for storing and analyzing large datasets for business intelligence and analytics. - **Geographic Information Systems (GIS):** Supports geospatial data types and functions, making it suitable for GIS applications. - **Scientific computing:** Can handle complex data structures and operations, making it useful for scientific and engineering applications. **Things to consider:** - While being open-source is an advantage, it also means you might need to find or manage your own support resources compared to some proprietary solutions. - The extensive feature set can be overwhelming for beginners, so understanding your specific needs and choosing the right configuration is crucial. Overall, PostgreSQL is a robust and versatile database technology suitable for various applications. Its open-source nature, rich feature set, and active community make it a compelling choice for businesses and developers seeking a reliable and flexible database solution. # References ```dataview Table title as Title, authors as Authors where contains(subject, "PostgreSQL" ) or contains(subject, "Postgres" ) sort modified desc, authors, title ```