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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
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ON DELETE ON UPDATE
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ON DELETE ON UPDATE
+ Add column
+ Add constraint
Internal relationships Documentation
Column Internal relation An internal relation is not necessary when a corresponding FOREIGN KEY relation exists.
id
create_time
create_user
change_time
change_user
status
timezone_no
timezone_name
sun_start
sun_end
sun_on
mon_start
mon_end
mon_on
tue_start
tue_end
tue_on
wed_start
wed_end
wed_on
thu_start
thu_end
thu_on
fri_start
fri_end
fri_on
sat_start
sat_end
sat_on
remark
update_time
area_id