oracle - how to add a foreignkey to a composite primary key -


i have 2 tables: t_campagne_sms_repartition , t_campagne_sms_execution.

in t_campagne_sms_repartition there 2 primary keys.

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in t_campagne_sms_execution there 1 primary key , 4 foreign keys.

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how can add 4th foreign key cle_partition of t_campagne_sms_execution?

i have tried this:

alter table "t_campagne_sms_execution"     add constraint fk_repartition foreign key("cle_repartition")     references "t_campagne_sms_repartition"("cle_repartition");

but got error:

erreur commençant à la ligne: 10 de la commande - alter table "t_campagne_sms_execution"    add constraint fk_repartition foreign key("cle_repartition") references "t_campagne_sms_repartition"("cle_repartition") rapport d'erreur - erreur sql : ora-02270: pas de correspondance de clé primaire ou unique pour cette liste de colonnes 02270. 00000 -  "no matching unique or primary key column-list" *cause:    references clause in create/alter table statement            gives column-list there no matching unique or primary            key constraint in referenced table. *action:   find correct column names using all_cons_columns            catalog view

i have tried via design this:

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but still same error message.

if don't want add column in t_campagne_sms_execution create technical primary key on t_campagne_sms_repartition. t_campagne_sms_repartition_id simple number linked sequence (or identity column if have oracle 12, see doc here https://oracle-base.com/articles/12c/identity-columns-in-oracle-12cr1).

change primary key contraint unique constraint on t_campagne_sms_repartition keep behavior, , create new column in t_campagne_sms_execution link in newly created column.

the thing can't reference 1 part of composite pk because have no way sure it's unique.

hope helps


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