9.0 create a foreign key original concept, the prompt a mistake

CodePudding user response:

See errors after said to submit but I don't know how to submit, the great god to give directions, thank you,

CodePudding user response:

You this two tables is newly created or one of the newly created? If you are new to create table, then submit first, then modify the foreign key,

To submit, you can exit the pb