Unique/primary keys in table referenced by enabled foreign keys
无法删除或截断其唯一/主键被其他表中启用的外键约束引用的表。
SELECT constraint_name, table_name, r_constraint_name FROM dba_constraints WHERE constraint_type = 'R' AND r_constraint_name IN (SELECT constraint_name FROM dba_constraints WHERE table_name = '<PARENT_TABLE>');