I have three tables project, users and proj_user. The PK of proj_user table is the FK of project and users table's pk e.g.(project_id,user_id) My question is, is it possible for the project_id and ...
In my noob opinion, it strikes me that in a serialized environment, this shouldn't be a problem. Is that correct? If not, please explain to me why a foreign key's behavior on a non-unique column is ...
I am hashing keys from one table that provides a 256 bit (64 char length) alphanumeric string that I intend to use in a second table as a foreign key. The engine of choice here is InnoDB. There are ...