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created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, CONSTRAINT fk_neg_product FOREIGN KEY (product_id) ...

# Save Settings of Unique check, Foreign Kex check and the current sql mode. # Then deactivate the checks and set sql mode to 'NO_AUTO_VALUE_ON_ZERO' `registration_status` varchar(255) NOT NULL ...

Cascading referential integrity constraints are foreign key constraints that tell SQL Server to perform certain actions when a primary key field in a primary key-foreign key relationship is updated or ...