php - Deleting using Inner Joing having FK -


i need query.

this tables :

table 1 - general  id  name  last_name 

table 2 - user  id  username  table1_id (this 1 references table1 ids) - fk 

since references on cascade, if delete table1, delete others.

but don't know how query.

i want first id in table2 table2.table1_id , go table1 , delete id got.

delete table1 

your keys on cascade, delete rows in table2

you can delete 1 row table1 same normally

delete table1 id=to_delete 

this cascade , delete rows in table2 referenced to_delete

ok; edit again

delete table1 id=(select table1_id table2 id=group_to_delete) 

will delete row table1 id row in table2, cascade , delete rows in table2 share same key.


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