PostgreSQL: Group By Having | Course | 2019

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PostgreSQL is a general purpose and object-relational database management system, the most advanced open source database system widely used to build back end systems. Startups including big companies such as Apple, Cisco, Redhat and more use Postgres to drive their business.

In this video you will learn about Group By Having. The HAVING clause was added to SQL because the WHERE keyword could not be used with aggregate functions.

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