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Foreign key constraints
Actions Constraint properties Column Creating a foreign key over a non-indexed column would automatically create an index on it. Alternatively, you can define an index below, before creating the foreign key. Foreign key constraint (INNODB)
Database Table Column
ON DELETE ON UPDATE
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Internal relationships Documentation
Column Internal relation An internal relation is not necessary when a corresponding FOREIGN KEY relation exists.
id
date_of_lecture
course_id
semester
branch_id
sub_id
reg_no
faculty_id
arrange_by
submission_date
camera_status