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Development Tools Database Foundations Joining Relational Data Between Tables in SQL Keys and Auto-Incrementing Values

" . . so we need to use the keyword 'REFERENCES' and then . . "

uhmm . . I passed the three-part challenge but was left troubled by task 3 of 3. The fact that the documentation makes no mention of this mandatory REFERENCES keyword in adding a constraint is a bit disconcerting . . guiding comments ?

1 Answer

Steven Parker
Steven Parker
228,978 Points

This requirement is discussed at 9:19 in the video.

If you mean the online documentation, If you follow any of the references to the CREATE TABLE page, you can find reference_definition explained there.

But I would agree that the ALTER TABLE page could use this added to its definition section:

reference_definition:
Ā  Ā  (see CREATE TABLE options)

Perhaps you should submit this suggestion to the folks at MySql for inclusion in a manual page update!