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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
Drop Drop
ON DELETE ON UPDATE
+ Add column
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
index
nameid
amount
refine
attribute
identify
card0
card1
card2
card3
option_id0
option_val0
option_parm0
option_id1
option_val1
option_parm1
option_id2
option_val2
option_parm2
option_id3
option_val3
option_parm3
option_id4
option_val4
option_parm4
unique_id
bound
enchantgrade