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📜  更新时级联删除 - 无论代码示例

📅  最后修改于: 2022-03-11 14:59:04.299000             🧑  作者: Mango

代码示例3
CREATE TABLE child (
    id INT, 
    parent_id INT,
    INDEX par_ind (parent_id),
    FOREIGN KEY (parent_id) 
        REFERENCES parent(id)
        ON UPDATE CASCADE
) ENGINE=INNODB;