百度试题 结果1 题目What was the source of the data? A. Primary B. Secondary C. Tertiary D. Mixed 相关知识点: 试题来源: 解析 A。判断数据的来源类型。反馈 收藏
【题文】 What is a database? A database is a collection of data or information that is organized, stored, and accessed electronically. 【小题1】 There are three main well-defined aspects of any database: It is relevant (相关的). When searching for information in the database, you ...
Census is done in the country for official purposes. The respondents are asked questions, which they answer. This interaction can take place in person or over the phone. However, the census is a source of data that takes a lot of time and effort because it involves the whole population. ...
Source data is a term used to describe the origin of information that is used to create electronic data. Data of this type is usually created in one of two ways. One approach is to scan hard copy documents and create electronic files of those hard copies. A different approach is to read...
A. A survey done by Friends of An What is the source of the statistics given in the passage? B. A survey done by Friends of Animals Incorporation. C. A study done by the U. S. government. D. A report issued in Chicago. E. A survey done by the city government of New York. 请...
A. A survey done by Friends of Animals Incorporation. B. A study done by the U. S. government. C. A report issued in Chicago. D. A survey done by the city government of New York. 相关知识点: 试题来源: 解析 A 反馈 收藏
根据上文“What is a database? A database is a collection of data or information that is organized, stored, and accessed electronically.(什么是数据库?数据库是用电子方式组织、存储和访问的数据或信息的集合)”以及后文“There are three main distinguishing aspects of any database(任何数据库都有三...
As you can see, all of the source documents are used to ensure that only proper goods are ordered, received, and paid for. Shaun Conrad, CPA Accounting & CPA Exam Expert Shaun Conrad is a Certified Public Accountant and CPA exam expert with a passion for teaching. After almost a decade ...
· A data configuration is a group of variables that correspond to items (database columns) in the source database. There must be at least one data configuration for data mining to be performed. Typically, multiple data configurations are available. For example, there might be a data ...
What is a database? A database is a collection of data or information that is organized, stored, and accessed electronically. There are three main well-defined aspects of any database:It is relevant (相关的). When searching for information in the database, you should be able to get res...