CONSTRAINT fk_user_profiles_auth_credential FOREIGN KEY (user_id) REFERENCES auth_credentials(id) ON DELETE CASCADE, CONSTRAINT fk_user_profiles_user_type FOREIGN KEY (user_type_id) REFERENCES ...
CONSTRAINT fk_user_operations_user FOREIGN KEY (user_id) REFERENCES user_profiles(user_id), CONSTRAINT fk_user_operations_kind FOREIGN KEY (kind_id) REFERENCES operation_kinds(id), CONSTRAINT ...
在嵌入式开发中,数据存储一直是个刚需:设备参数配置、传感器历史数据、运行日志记录……传统方案要么用文件系统裸奔 ...