added foreign keys

dmp-db-scema/DataManagementPlanDB.sql

@@ -537,6 +537,12 @@ ALTER TABLE "UserDMP" ADD CONSTRAINT fkey_userdmp_user FOREIGN KEY (usr) REFEREN
 ALTER TABLE "UserDMP" ADD CONSTRAINT fkey_userdmp_dmp FOREIGN KEY (dmp) REFERENCES "DMP"("ID");
 
 
+ALTER TABLE "DMP" ADD CONSTRAINT fk_dmp_creator FOREIGN KEY ("Creator") REFERENCES "UserInfo"(id);
+ALTER TABLE "Dataset" ADD CONSTRAINT fk_dataset_creator FOREIGN KEY ("Creator") REFERENCES "UserInfo"(id);
+ALTER TABLE "Project" ADD CONSTRAINT fk_project_creator FOREIGN KEY ("CreationUser") REFERENCES "UserInfo"(id);
+
+
+
 ALTER TABLE "UserInfo" OWNER TO dmptool;
 ALTER TABLE "UserAuth" OWNER TO dmptool;
 ALTER TABLE "UserDMP" OWNER TO dmptool;