IntroductionIt is a common story that a table started with the assumption that "soft deletes using `deleted_at` are safe" later causes problems such as "withdrawn users cannot re-register with the ...
I'm working on a web app, and it part of it, there is a very simple database-driven file/document manager. As a file manager, there is the possibility of sub-folders. So in the DB, I have the ...
A foreign key is a column or columns of data in one table that refers to the unique data values -- often the primary key data -- in another table. Foreign keys link together two or more tables in a ...
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