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2024年3月9日发(作者：高斯模糊pr怎么用)
外文文献原稿和译文
原 稿
DATABASE
A database may be defined as a collection interrelated data store together
with as little redundancy as possible to serve one or more applications in an
optimal fashion .the data are stored so that they are independent of programs
which use the data .A common and controlled approach is used in adding new
data and in modifying and retrieving existing data within the data base .One
system is said to contain a collection of database if they are entirely separate in
structure .
A database may be designed for batch processing , real-time processing ,or
in-line processing .A data base system involves application program, DBMS, and
database.
THE INTRODUCTION TO DATABASE MANAGEMENT SYSTEMS
The term database is often to describe a collection of related files that is
organized into an integrated structure that provides different people varied access
to the same data. In many cases this resource is located in different files in
different departments throughout the organization, often known only to the
individuals who work with their specific portion of the total information. In these
cases, the potential value of the information goes unrealized because a person in
other departments who may need it does not know it or it cannot be accessed
efficiently. In an attempt to organize their information resources and provide for
timely and efficient access, many companies have implemented databases.
A database is a collection of related data. By data, we mean known facts that
can be recorded and that have implicit meaning. For example, the names,
telephone numbers, and addresses of all the people you know. You may have
recorded this data in an indexed address book, or you may have stored it on a
diskette using a personal computer and software such as DBASE Ⅲ or Lotus 1-2-3.
This is a collection of related data with an implicit meaning and hence is a
database.
The above definition of database is quite general. For example, we may
consider the collection of words that made up this page of text to be usually more
restricted. A database has the following implicit properties:
A database is a logically coherent collection of data with some inherent
meaning. A random assortment of data cannot be referred to as a database.
A database is designed, built, and populated with data for a specific
purpose. It has an intended group of user and some preconceived applications in
which these users are interested.
A database represents some aspect of the real world, sometimes called the
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