（ ）is a collection of data sets， which is so large and complex that it becomes difficult to process using on-hand database management tools or traditional data processing applications.
举一反三
- The properties of a database indlude ( ). A: It is an integrated collection of logically related records. B: It consolidates separate files into a common pool of data records. C: Data stored in a database is independent of the application programs using it. D: Databases are more complex they are often developed using formal design and modeling techniques.
- Which of the four methods of data collection is involved when a person retrieves data from an online database?
- Customer relationship management applications dealing with the analysis of customer data to provide information for improving business performance best describes ________ applications.
- The main functions of the database management system are () A: database maintenance B: data calculation C: data manipulation D: data definition
- In an information system, the rules or guidelines for people to follow are called _______. A: data processing B: procedures C: compiling D: database management