What is stored in the database is（ ）.
A: data
B: data mode
C: links between data
D: data and the connection between data
A: data
B: data mode
C: links between data
D: data and the connection between data
举一反三
- The data collected by the statistical survey can be original data or secondary data. The relationship between the original data and secondary data is ( ) A: The original data comes from the grass-roots units, and the secondary data comes from the superior units B: Secondary data is processed from original data C: There is no necessary connection between the original data and the secondary data D: There is no difference between primary data and secondary data
- What is the primary difference between data and information?() A: Information<br/>is processed to get data. B: Data<br/>is processed to get information. C: Data,<br/>unlike information, is related to hardware. D: Data<br/>is stored, information is not.
- What is the main technology underpinning knowledge processing systems? A: Data mining B: Data warehouse C: Database D: Data webhouse
- The main functions of the database management system are () A: database maintenance B: data calculation C: data manipulation D: data definition
- A database is an organized data set stored in a computer for a long time.