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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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+ Add constraint
Internal relationships Documentation
Column Internal relation An internal relation is not necessary when a corresponding FOREIGN KEY relation exists.
id
barcode
regist_no
exam_id
qtn_id
field1
field2
field3
field4
field5
field6
field7
field8
field9
field10
field11
field12
field13
field14
field15
field16
field17
field18
field19
field20
field21
field22
field23
field24
field25
field26
field27
field28
field29
field30
field31
field32
field33
field34
field35
field36
field37
field38
field39
field40
field41
field42
field43
field44
field45
field46
field47
field48
field49
field50
exam_subject
image_path