英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

database    音标拼音: [d'etəb,es] [d'ætəb,es]

数据库;(所谓数据库服务系统是指利用数据库数据一致、资源共享及减少重覆等特性,结合通讯技术,
通过网络系统提供信息服务)

数据库;(所谓数据库服务系统是指利用数据库数据一致、资源共用及减少重覆等特性,结合通讯技术, 通过网络系统提供资讯服务)

database
资料库

data-base
资料库


database
资料库

database
n 1: an organized body of related information

database \database\ n.
an organized body of related information.
[WordNet 1.5]

1. One or more large structured sets of persistent
data, usually associated with software to update and {query}
the data. A simple database might be a single file containing
many {records}, each of which contains the same set of
{fields} where each field is a certain fixed width.

A database is one component of a {database management system}.

See also {ANSI/SPARC Architecture}, {atomic}, {blob}, {data
definition language}, {deductive database}, {distributed
database}, {fourth generation language}, {functional
database}, {object-oriented database}, {relational database}.

{Carol E. Brown's tutorial
(http://accounting.rutgers.edu/raw/aies/www.bus.orst.edu/faculty/brownc/lectures/db_tutor/db_tutor.htm)}.

2. A collection of {nodes} managed and stored in
one place and all accessible via the same {server}. {Links}
outside this are "external", and those inside are "internal".

On the {World-Wide Web} this is called a {website}.

3. All the facts and rules comprising a {logic programming}
program.

(2005-11-17)



安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • INTRODUCTION TO DATABASES - Florida State University
    • Database normalization, or simply normalization, is the process of restructuring a relational database in accordance with a series of so- called normal forms in order to reduce data redundancy and improve data integrity
  • Database Fundamentals - esp. org
    A database management system (DBMS) is a collection of programs that enables users to create and maintain a database According to the ANSI SPARC DBMS Report (1977), a DBMS should be envisioned as a multi-layered system:
  • Introduction to Relational Databases
    • Database Management System (DBMS) – software system that supports creation, population, and querying of a database • Relational Database Management System (RDBMS) – Consists of a number of tables and single schema (definition of tables and attributes)
  • Fundamentals of Database Systems,
    Chapter 1: Databases and Database Users Chapter 2: Database Systems Concepts and Architecture
  • Introduction to Database - Tishk International University
    • Database systems are composed of complex data-structures In order to make the system efficient in terms of retrieval of data, and reduce complexity in terms of usability of users, developers use abstraction
  • Architecture of a Database System
    Database Management Systems (DBMSs) are complex, mission-critical software systems Today’s DBMSs embody decades of academic and industrial research and intense corporate software development
  • Introduction to Database Systems Module 1, Lecture 1
    Key concept is transaction, which is an atomic sequence of database actions (reads writes) Each transaction, executed completely, must leave the DB in a consistent state if DB is consistent when the transaction begins – Users can specify some simple integrity constraints on the data, and the DBMS will enforce these constraints
  • Introduction to Database Systems - Springer
    A database system (DBS) is a computerized record keeping system with the overall purpose of maintaining information and making it available whenever required The database typically stores related data in a computer system
  • DATABASE ENGINEERING
    Database management system deals the knowledge of how data stored and managed on a computerized information system In any organization, it requires accurate and reliable data for better decision making, ensuring privacy of data and controlling data efficiently





中文字典-英文字典  2005-2009