单项选择题

某高校教学管理系统中的院系关系Department和学生关系Students的模式分别为:Department(院系号,院系名,负责人号,电话),学生关系Students(学生号,姓名,身份证号,院系号,联系电话,家庭住址)。若关系Students中的属性“家庭住址”可以进一步分为邮编、省、市、街道,则该属性为(     )。关系Students中(     )。

请将下面的SQL语句空缺部分补充完整。

CREATE TABLE Students (学生号 CHAR (8) PRIMARY KEY,姓名 CHAR (10)’

身份证号CHAR (13),院系号CHAR (13),

联系电话CHAR(13),家庭住址CHAR(30)

FOREIGN KEY(     ));

A.简单属性
B.复合属性
C.多值属性
D.派生属性
题目列表

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单项选择题

Today, it’s hard to imagine any industry or business that has not been affected by computer-based information system and computer applications.

Most experts agree on the fundamental difference between data and information. Data are raw facts about the organization and its business transactions. Most data items have little meaning and use by themselves. Information is data that has been(     ) and organized by processing and purposeful intelligence. The latter, purposeful intelligence, is crucial to the definition—People provide the purpose and the intelligence that produces true(     ). In other words, data are a by-product of doing business. Information is a resource created from the data to serve the management and decision-making needs of business.

Information technology (IT) is a contemporary term that describes the combination of computer technology (hardware and software) with telecommunications technology (data, image, and voice networks). Information technology has created a data and information (     )in virtually all businesses. The ability of businesses to harness (利用)and manage this data and information has become a critical success factor in most businesses.

An information system is an arrangement of people, data, processes, information presentation, and information technology that interact to support and improve day-to-day operations in a business, as well as support the problem-solving and decision making needs of management and users. Stated simply, information systems(     )data into useful information. An information system exists with or without a computer. But when information technology is used, it significantly(     )the power and potential of most information systems.

A.formed
B.cleaned
C.refined
D.resigned
单项选择题

Today, it’s hard to imagine any industry or business that has not been affected by computer-based information system and computer applications.

Most experts agree on the fundamental difference between data and information. Data are raw facts about the organization and its business transactions. Most data items have little meaning and use by themselves. Information is data that has been(     ) and organized by processing and purposeful intelligence. The latter, purposeful intelligence, is crucial to the definition—People provide the purpose and the intelligence that produces true(     ). In other words, data are a by-product of doing business. Information is a resource created from the data to serve the management and decision-making needs of business.

Information technology (IT) is a contemporary term that describes the combination of computer technology (hardware and software) with telecommunications technology (data, image, and voice networks). Information technology has created a data and information (     )in virtually all businesses. The ability of businesses to harness (利用)and manage this data and information has become a critical success factor in most businesses.

An information system is an arrangement of people, data, processes, information presentation, and information technology that interact to support and improve day-to-day operations in a business, as well as support the problem-solving and decision making needs of management and users. Stated simply, information systems(     )data into useful information. An information system exists with or without a computer. But when information technology is used, it significantly(     )the power and potential of most information systems.

A.information
B.data
C.telligence
D.purpose
单项选择题

Today, it’s hard to imagine any industry or business that has not been affected by computer-based information system and computer applications.

Most experts agree on the fundamental difference between data and information. Data are raw facts about the organization and its business transactions. Most data items have little meaning and use by themselves. Information is data that has been(     ) and organized by processing and purposeful intelligence. The latter, purposeful intelligence, is crucial to the definition—People provide the purpose and the intelligence that produces true(     ). In other words, data are a by-product of doing business. Information is a resource created from the data to serve the management and decision-making needs of business.

Information technology (IT) is a contemporary term that describes the combination of computer technology (hardware and software) with telecommunications technology (data, image, and voice networks). Information technology has created a data and information (     )in virtually all businesses. The ability of businesses to harness (利用)and manage this data and information has become a critical success factor in most businesses.

An information system is an arrangement of people, data, processes, information presentation, and information technology that interact to support and improve day-to-day operations in a business, as well as support the problem-solving and decision making needs of management and users. Stated simply, information systems(     )data into useful information. An information system exists with or without a computer. But when information technology is used, it significantly(     )the power and potential of most information systems.

A.exposure
B.slump
C.exclusion
D.explosion
单项选择题

Today, it’s hard to imagine any industry or business that has not been affected by computer-based information system and computer applications.

Most experts agree on the fundamental difference between data and information. Data are raw facts about the organization and its business transactions. Most data items have little meaning and use by themselves. Information is data that has been(     ) and organized by processing and purposeful intelligence. The latter, purposeful intelligence, is crucial to the definition—People provide the purpose and the intelligence that produces true(     ). In other words, data are a by-product of doing business. Information is a resource created from the data to serve the management and decision-making needs of business.

Information technology (IT) is a contemporary term that describes the combination of computer technology (hardware and software) with telecommunications technology (data, image, and voice networks). Information technology has created a data and information (     )in virtually all businesses. The ability of businesses to harness (利用)and manage this data and information has become a critical success factor in most businesses.

An information system is an arrangement of people, data, processes, information presentation, and information technology that interact to support and improve day-to-day operations in a business, as well as support the problem-solving and decision making needs of management and users. Stated simply, information systems(     )data into useful information. An information system exists with or without a computer. But when information technology is used, it significantly(     )the power and potential of most information systems.

A.modify
B.clean
C.transform
D.transfer
单项选择题

Today, it’s hard to imagine any industry or business that has not been affected by computer-based information system and computer applications.

Most experts agree on the fundamental difference between data and information. Data are raw facts about the organization and its business transactions. Most data items have little meaning and use by themselves. Information is data that has been(     ) and organized by processing and purposeful intelligence. The latter, purposeful intelligence, is crucial to the definition—People provide the purpose and the intelligence that produces true(     ). In other words, data are a by-product of doing business. Information is a resource created from the data to serve the management and decision-making needs of business.

Information technology (IT) is a contemporary term that describes the combination of computer technology (hardware and software) with telecommunications technology (data, image, and voice networks). Information technology has created a data and information (     )in virtually all businesses. The ability of businesses to harness (利用)and manage this data and information has become a critical success factor in most businesses.

An information system is an arrangement of people, data, processes, information presentation, and information technology that interact to support and improve day-to-day operations in a business, as well as support the problem-solving and decision making needs of management and users. Stated simply, information systems(     )data into useful information. An information system exists with or without a computer. But when information technology is used, it significantly(     )the power and potential of most information systems.

A.influences
B.expands
C.changes
D.develops
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