免费智能真题库 > 分章真题
章/节：  计算机专业英语
题目数量： 70 道 考试要求： 难度系数：  
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隶属试卷 题号 题干 难度系数/错误率 已做过 未做对
   2022年上半年
   数据库系统工程..
   上午试卷 综合知识 		第75题
选择题
Corporate decision makers require access to information from multiplesuch sources. Seting up queries on individual sources is both cumbersome and（71）. Moreover, the sources of data may store only current data, whereas decision makers may need access to（72）dataas well. A data warehouse is a repository（or archive）of information gathered from multiple sources, stored under a unified schema, at ..

72%
   2022年上半年
   数据库系统工程..
   上午试卷 综合知识 		第74题
选择题
Corporate decision makers require access to information from multiplesuch sources. Seting up queries on individual sources is both cumbersome and（71）. Moreover, the sources of data may store only current data, whereas decision makers may need access to（72）dataas well. A data warehouse is a repository（or archive）of information gathered from multiple sources, stored under a unified schema, at ..

80%
   2022年上半年
   数据库系统工程..
   上午试卷 综合知识 		第73题
选择题
Corporate decision makers require access to information from multiplesuch sources. Seting up queries on individual sources is both cumbersome and（71）. Moreover, the sources of data may store only current data, whereas decision makers may need access to（72）dataas well. A data warehouse is a repository（or archive）of information gathered from multiple sources, stored under a unified schema, at ..

44%
   2022年上半年
   数据库系统工程..
   上午试卷 综合知识 		第72题
选择题
Corporate decision makers require access to information from multiplesuch sources. Seting up queries on individual sources is both cumbersome and（71）. Moreover, the sources of data may store only current data, whereas decision makers may need access to（72）dataas well. A data warehouse is a repository（or archive）of information gathered from multiple sources, stored under a unified schema, at ..

76%
   2022年上半年
   数据库系统工程..
   上午试卷 综合知识 		第71题
选择题
Corporate decision makers require access to information from multiplesuch sources. Seting up queries on individual sources is both cumbersome and（71）. Moreover, the sources of data may store only current data, whereas decision makers may need access to（72）dataas well. A data warehouse is a repository（or archive）of information gathered from multiple sources, stored under a unified schema, at ..

48%
   2021年上半年
   数据库系统工程..
   上午试卷 综合知识 		第75题
选择题
When we talk about a database,we must differentiate between the database（71）,which is the logical design of the database,and the database（72）,which is a snapshot of the data in the database at a given instant in time.The concept of a relation corresponds to the programming-language notion of a variable,while the concept of a relation schema corresponds to the programming-language notion of typ..

70%
   2021年上半年
   数据库系统工程..
   上午试卷 综合知识 		第74题
选择题
When we talk about a database,we must differentiate between the database（71）,which is the logical design of the database,and the database（72）,which is a snapshot of the data in the database at a given instant in time.The concept of a relation corresponds to the programming-language notion of a variable,while the concept of a relation schema corresponds to the programming-language notion of typ..

79%
   2021年上半年
   数据库系统工程..
   上午试卷 综合知识 		第73题
选择题
When we talk about a database,we must differentiate between the database（71）,which is the logical design of the database,and the database（72）,which is a snapshot of the data in the database at a given instant in time.The concept of a relation corresponds to the programming-language notion of a variable,while the concept of a relation schema corresponds to the programming-language notion of typ..

77%
   2021年上半年
   数据库系统工程..
   上午试卷 综合知识 		第72题
选择题
When we talk about a database,we must differentiate between the database（71）,which is the logical design of the database,and the database（72）,which is a snapshot of the data in the database at a given instant in time.The concept of a relation corresponds to the programming-language notion of a variable,while the concept of a relation schema corresponds to the programming-language notion of typ..

50%
   2021年上半年
   数据库系统工程..
   上午试卷 综合知识 		第71题
选择题
When we talk about a database,we must differentiate between the database（71）,which is the logical design of the database,and the database（72）,which is a snapshot of the data in the database at a given instant in time.The concept of a relation corresponds to the programming-language notion of a variable,while the concept of a relation schema corresponds to the programming-language notion of typ..

67%
   2020年下半年
   数据库系统工程..
   上午试卷 综合知识 		第75题
选择题
A database system is a ollction of itererelated data and a set of programs that allow users to access and modify these data. A major purpose of a database system is to provide users with an（71）view of the data. That is, the system hides certain details of how the data are stored and maintained. For the system to be usable, it must retrieve data（72）。 The need for efficiency has led designers t..

74%
   2020年下半年
   数据库系统工程..
   上午试卷 综合知识 		第74题
选择题
A database system is a ollction of itererelated data and a set of programs that allow users to access and modify these data. A major purpose of a database system is to provide users with an（71）view of the data. That is, the system hides certain details of how the data are stored and maintained. For the system to be usable, it must retrieve data（72）。 The need for efficiency has led designers t..

59%
   2020年下半年
   数据库系统工程..
   上午试卷 综合知识 		第73题
选择题
A database system is a ollction of itererelated data and a set of programs that allow users to access and modify these data. A major purpose of a database system is to provide users with an（71）view of the data. That is, the system hides certain details of how the data are stored and maintained. For the system to be usable, it must retrieve data（72）。 The need for efficiency has led designers t..

60%
   2020年下半年
   数据库系统工程..
   上午试卷 综合知识 		第72题
选择题
A database system is a ollction of itererelated data and a set of programs that allow users to access and modify these data. A major purpose of a database system is to provide users with an（71）view of the data. That is, the system hides certain details of how the data are stored and maintained. For the system to be usable, it must retrieve data（72）。 The need for efficiency has led designers t..

85%
   2020年下半年
   数据库系统工程..
   上午试卷 综合知识 		第71题
选择题
A database system is a ollction of itererelated data and a set of programs that allow users to access and modify these data. A major purpose of a database system is to provide users with an（71）view of the data. That is, the system hides certain details of how the data are stored and maintained. For the system to be usable, it must retrieve data（72）。 The need for efficiency has led designers t..

68%
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