1. [Home](https://www.g2.com/) 2. ... 3. [Relational Databases](https://www.g2.com/categories/relational-databases) 4. [PostgreSQL Discussions](https://www.g2.com/products/postgresql/discuss) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_251be2af3ae607c45c14e816eaa1cf41/postgresql.png "Product Avatar Image") ](/products/postgresql/reviews) [ PostgreSQL ](/products/postgresql/reviews) (683)4.4/5 PostgreSQL is a powerful, open-source object-relational database system renowned for its reliability, extensibility, and adherence to SQL standards. Originating from the POSTGRES project at the University of California at Berkeley in 1986, it has evolved over nearly four decades into a robust platform capable of handling complex data workloads across various operating systems. PostgreSQL's architecture emphasizes data integrity and scalability, making it a preferred choice for developers and organizations worldwide. Key Features and Functionality: - Comprehensive Data Types: Supports a wide range of data types, including primitives (Integer, Numeric, String, Boolean), structured (Date/Time, Array, Range), document (JSON/JSONB, XML), and geometric types. - Advanced Data Integrity: Ensures data accuracy through features like UNIQUE constraints, primary and foreign keys, exclusion constraints, and various locking mechanisms. - High Performance and Concurrency: Utilizes advanced indexing methods (B-tree, GiST, GIN, BRIN), a sophisticated query planner, multi-version concurrency control (MVCC), parallel query execution, and table partitioning to optimize performance. - Reliability and Disaster Recovery: Offers write-ahead logging (WAL), various replication methods (asynchronous, synchronous, logical), point-in-time recovery (PITR), and active standbys to ensure data durability and availability. - Robust Security Measures: Provides multiple authentication methods (GSSAPI, SSPI, LDAP, SCRAM-SHA-256, Certificate, OAuth 2.0), a comprehensive access-control system, and supports multi-factor authentication. - Extensibility: Allows the creation of custom data types, functions, and operators. Supports procedural languages like PL/pgSQL, Perl, Python, and Tcl, with additional languages available through extensions. Primary Value and User Solutions: PostgreSQL addresses the needs of developers and organizations by offering a highly extensible and standards-compliant database system that ensures data integrity, scalability, and robust performance. Its open-source nature allows for continuous innovation and adaptability, enabling users to tailor the database to their specific requirements. Whether managing small applications or large-scale enterprise systems, PostgreSQL provides a reliable foundation for storing and processing data efficiently. Show More * * * ### 62.0 Nps Score Already have PostgreSQL? ### All PostgreSQL Discussions Search Most CommentedMost HelpfulPinned by G2Newest All DiscussionsDiscussions with CommentsPinned by G2Discussions without Comments FilterFilter Filter byExpand/Collapse Sort by Most Commented Most Helpful Pinned by G2 Newest Filter by All Discussions Discussions with Comments Pinned by G2 Discussions without Comments ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • over 2 years ago More Options - [ # What is PostgreSQL used for? ](/discussions/what-is-postgresql-used-for) What is PostgreSQL used for? 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[ Relational Databases ](https://www.g2.com/tags/relational-databases) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.&title=PostgreSQL+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=PostgreSQL+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=PostgreSQL+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss%0aAsk+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.) 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[ Relational Databases ](https://www.g2.com/tags/relational-databases) * * * \<0\>0\>Upvotes * * * 2 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.&title=PostgreSQL+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=PostgreSQL+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=PostgreSQL+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss%0aAsk+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.) 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[![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=PostgreSQL+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss%0aAsk+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Shruti N.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Shruti N.") SN Loading... [Shruti N.](https://www.g2.com/users/a8e4bc8e-a6e7-4f05-b2f5-35619f50dc54 "Shruti N.") • about 2 months ago SEO Specialist More Options - [ # Most reliable relational database software for new businesses ](/discussions/most-reliable-relational-database-software-for-new-businesses) Getting the data layer right early on can save a lot of headaches later. From my experience working with SEO data, even smaller projects can grow quickly, so I’ve been... [Read more](/discussions/most-reliable-relational-database-software-for-new-businesses) [ Relational Databases Software ](https://www.g2.com/tags/relational-databases-software) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.&title=PostgreSQL+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=PostgreSQL+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=PostgreSQL+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss%0aAsk+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=PostgreSQL+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss%0aAsk+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") G2 Verified User • over 4 years ago More Options - [ # How do I perform groupBy of Json type columns in n postgres? ](/discussions/how-do-i-perform-groupby-of-json-type-columns-in-n-postgres) I am using SLICK to query POSTGRES db. But couldn't find a way to perform groupBy on JSONB type columns using SLICK. 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[![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=PostgreSQL+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss%0aAsk+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") G2 Verified User • over 4 years ago More Options - [ # How to use POSTGRESQL tables in tableau? ](/discussions/how-to-use-postgresql-tables-in-tableau) How do I connect postgreSQL to tableau and use tables from postgreSQL to create visualisations successfully, since I am unable the use any table of postgreSQL and tableau is throwing an error everytime [ Relational Databases ](https://www.g2.com/tags/relational-databases) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.&title=PostgreSQL+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=PostgreSQL+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=PostgreSQL+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss%0aAsk+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=PostgreSQL+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss%0aAsk+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Jay P.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Jay P.") JP Loading... [Jay P.](https://www.g2.com/users/cac9ca71-4d84-4eeb-aee9-3bab4304371e "Jay P.") • over 6 years ago ☁ Data Scientist (Big Data And Advanced Analytics) at FCA Fiat Chrysler Automobiles More Options - [ # Can we get some video tutorials on usage? Also how do we connect them over cloud ? ](/discussions/can-we-get-some-video-tutorials-on-usage-also-how-do-we-connect-them-over-cloud) We would not just need documentation but more like gifs and videos to explain in details [ Relational Databases Software ](https://www.g2.com/tags/relational-databases-software) * * * \<0\>0\>Upvotes * * * 1 Comment [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.&title=PostgreSQL+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=PostgreSQL+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=PostgreSQL+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fpostgresql%2Fdiscuss%0aAsk+PostgreSQL+questions+and+get+answers+from+expert+users+in+our+PostgreSQL+Discussions+section.) 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