使用SQL语句对两个相关表创建外键约束，并使用ON DELETE CASCADE选项，确保如果主键被删除，则所有相关的外键也将被删除。然后在相关表中创建检查约束，以确保两个相关元素具有相同的外键。示例如下：

-- 创建相关表 CREATE TABLE table1 ( id INT PRIMARY KEY, name VARCHAR(50) );

CREATE TABLE table2 ( id INT PRIMARY KEY, table1_id INT, FOREIGN KEY (table1_Id) REFERENCES table1(id) ON DELETE CASCADE );

-- 在table2中创建检查约束 ALTER TABLE table2 ADD CONSTRAINT fk_constraint CHECK (table1_id IN (SELECT id FROM table1));

-- 在table2中创建检查约束，确保与table1相同的外键 ALTER TABLE table2 ADD CONSTRAINT ck_constraint CHECK (table1_id IN (SELECT id FROM table1));

-- 示例数据插入 INSERT INTO table1 VALUES (1, 'Table One'); INSERT INTO table1 VALUES (2, 'Table Two'); INSERT INTO table2 VALUES (1, 1); INSERT INTO table2 VALUES (2, 2);

-- 插入错误的外键值 INSERT INTO table2 VALUES (3, 3); -- 报错信息：The INSERT statement conflicted with the CHECK constraint "ck_constraint". The conflict occurred in database "DB_NAME", table "dbo.table1", column 'id'.