Update To change data in a file or database.Update and edit are often used synonymously, however, edit implies changing existing data, while update also implies adding and deleting records.

• 把数据库或档案内资料更改的情况。更新和校订很多时有相同意思,但是,校订倾向把现有数据修改,而更新则倾向增加或册除记录。