无法使用外键更新/删除/截断表

Question

I have 2 tables

CREATE TABLE table1 (
    id1 int(10) NOT NULL PRIMARY KEY,
    name varchar(20)
);    

CREATE TABLE table2 (
    newid int(10) NOT NULL PRIMARY KEY,
    f_id int(10)
);

Now, I have added a foreign key constrain

ALTER TABLE table2 
ADD CONSTRAINT fk_id FOREIGN KEY (f_id) REFERENCES table1 (id)
ON DELETE CASCADE ON UPDATE CASCADE;

Now, the problem is I am unable to update/delete/truncate the table 'table2'. What is the exact problem here and how to solve it?

Answer 1

外键强制执行参照完整性，请尝试从表1和表2中删除记录。您无法截断具有FK的表