把一个数据库导入另一空库，根据一个access新建access数据库 并把数据部分导入到新数据库中。其中有一个access数据库操作模块，用事务方式，使数据库得到了压缩。-To a database into another empty database, according to a new access database and access the data part into the new database. One of them access database operation module, with the service approach, the database has been compressed.