Module: SQL
SQL·182·12 MIN READ

182: Constraints: PRIMARY KEY, FOREIGN KEY, UNIQUE, CHECK, NOT NULL, and Referential Actions

TOPICS COVERED: Constraints: PRIMARY KEY, FOREIGN KEY, UNIQUE, CHECK, NOT NULL, and Referential Actions
Reader page: /sql/lesson/182/constraints-primary-key-foreign-key-unique-check-not-null-and-referential-actions