说明：  我们在设计数据库时，主要采用Access来进行，本数据库主要包含四个表。本数据库取名为航天管理数据库，它的四个表分别为：乘客数据表、飞行时刻表、管理员表、航班信息表。
(We are in the design of database, primarily for the use of Access, the database mainly contains four tables. The database name space management database, and its four tables are as follows: passenger data tables, flight schedules, the administrator table table flight information.)