mysql - How do I conduct referencial integrity using foreign key constraints in netbeans sql? -


i trying write sql code in netbeans. have 2 tables:

create table building(         building_name varchar(10) not null primary key,         building_location varchar(20),         building_room_number integer);  insert building values('building a', 'location a',34); insert building values('building b','location b',45); insert building values('building c', 'location c',40);  create table room(         room_number integer primary key,         building_name varchar(10));  insert room values(1, 'building a'); insert room values(2, 'building b'); insert room values(3,  'building c');

then want create foreign key conduct referential integrity.

alter table room add constraint fk_room foreign key (building_name) references building(building_name) on delete restrict on update cascade;

netbeans kept giving me error 

  [exception, error code 905, sqlstate 42000] ora-00905: missing keyword

i m not sure what's wrong syntax. how should write foreign key constrains in netbeans sql?

thank help><

your syntax correct in mysql.

the error log posted looks oracle log. sure executing alter statement in , incorrect netbeans tab?


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