Navigating the Waters of Foreign Key Constraints: The Role of ON UPDATE and ON DELETE
ID: ff5d8c97-e68a-5541-b4fc-2fd191a68973
STIX ID: report--ff5d8c97-e68a-5541-b4fc-2fd191a68973
Feed Name: HackerOne Blog
This article explains foreign key constraints in relational databases, focusing on the behavior and use-cases of ON UPDATE and ON DELETE actions (NO ACTION, CASCADE, SET NULL, SET DEFAULT, RESTRICT), provides SQL examples, and discusses best practices and scalability considerations for maintaining referential integrity.
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