Главная Случайная страница Контакты | Мы поможем в написании вашей работы! | ||
|
A (1).................. program allows the user to store, change and retrieve information.
A database file is a collection of records. Each (2)........ contains a set of fields.
Each (3)................. holds a separate piece of information; for example, a student file
contains a list of records, each of which consists of several fields which give their name, address, birthday, etc.
In a (4).................. database, information is stored in tables that have a connection or link with one another (see tables above).
A database lets you create an (5)............., a list of records ordered according to the content of certain fields; this helps you search and (6)................... records into numerical or alphabetical order very fast. It also has a (7)................................................................. function which allow you to extract information that meets certain criteria.
Дата публикования: 2014-11-26; Прочитано: 1185 | Нарушение авторского права страницы | Мы поможем в написании вашей работы!