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There are no foreign keys in the database #3

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johnchen902 opened this issue Apr 15, 2017 · 3 comments

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johnchen902 commented Apr 15, 2017

No description provided.

morris821028 added the enhancement label

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morris821028 commented Apr 16, 2017 •

edited

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For example, set the foreign key for existing table

ALTER TABLE submissions
ADD FOREIGN KEY (pid) REFERENCES problems (pid);

Member

morris821028 commented Apr 17, 2017

這真的需要嗎？

Author

johnchen902 commented Apr 17, 2017

Probably you don't if your code doesn't and won't have any bug and nobody will execute bad SQL statements.

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