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Relational database management systems

Relational database management systems

课程: Supabase Essential Training

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Relational database management systems

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- [Narrator] PostgreSQL is at the center of what makes Supabase run. Let's have a look at how PostgreSQL works and how it compares to other databases. PostgreSQL is an open source relational database management system or RDBMS for short. Originally designed in the 1970s, RDBMSs have stood the test of time. While this may sound old, PostgreSQL and other RDBMSs have added many features over time, supporting more modern tools such as JSON and AI vector data. RDBMSs are designed around the concept of tables, which are sometimes also called relations. Each table has columns and rows. Each row typically also has one key. This is a unique value across rows, making it easy to reference it later. In this table, that key is called ID, and those values are used to reference those rows. Let's take a look at a service called Postgres.new, which has been released by Supabase. Here on Postgres.new, I prompted the AI to create a database schema for a kitchen supply website, and there are several…

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