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5.7SQL开发建一张表报错
Posted by: jie Shen
Date: July 28, 2018 08:57PM

mysql> create table city(
-> city_id smallint unsigned not null auto_increment,
-> city varchar(50) not null,
-> country_id smallint unsigned not null,
-> last_update timestamp not null default current_timestamp on update current_timestamp,
-> primary key(city_id),
-> key idx_fk_country_id(country_id),
-> constraint 'fk_city_country' foreign key (country_id) references country (country_id) on delete restrict on update cascade
-> )
-> engine=innodb
-> default charset=utf8;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''fk_city_country' foreign key (country_id) references country (country_id) on de' at line 8
mysql>

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