PostgreSQL: Deleting Records With Foreign Keys | 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 the implications when you need to delete records that have a foreign key relationship.

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Комментарии
Автор

what if i don't want to delete the person, and also the data is not nullable?

acminostgien
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como eu faço para alterar a estrutura da tabela para incluir o "ON UPDATE CASCADE" e "ON DELETE CASCADE"? Eu estou usando o Postbird e pelas opções de gerenciamento das tabelas eu não sei como fazer.

drigosantos
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All your videos are amazing and so clear! Thanks bro! 😃

younneschebli
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how to drop the foreign key constraint from the table

nirbhaysingh
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Thank you for this Sir! more power to you.

beverlyeaster
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Very useful video, just what I needed!

Thanks :)

praff
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is there a way two delete both rows with a single command? instead of doing it twice?

whiteichigo