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terryds

FOREIGN KEYs as well as PRIMARY KEYs

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My query generates error. (errno:150)

 

CREATE TABLE userrole (
userid BIGINT NOT NULL,
roleid INT NOT NULL,
PRIMARY KEY(userid,roleid),
CONSTRAINT fk_userid FOREIGN KEY (userid) REFERENCES user(user_id),
CONSTRAINT fk_roleid FOREIGN KEY (roleid) REFERENCES role(role_id)
)
Please tell me how to solve it..

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