Designing the data storage architecture is an important activity in system design.There are two main types of data storage form

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问题 Designing the data storage architecture is an important activity in system design.There are  two main types of data storage formats:  files and databases.Files are electronic of data that have  been optimized to perform a particular transaction.There are several types of files that differ in the way they are used to support an application.___(1)____store core information that is important to the business and,more specifically,to the application,such as order information or customer mailing information.__(2)____ contain static values,such as a list of valid codes or the names of cities.Typically,the list is used for validation.A database is a collection of groupings of information that are related to each other in some way.There are many different types of databases that exist on the  market today.__(3)____  is given to those databases which are based on older,sometimes  outdated  technology that is seldom used to develop new applications.__(4)_____are collections of records that  are related to each other through pointers In relational database,__(5)____can be used in ensuring that  values linking the tables together through the primary and foreign keys are valid and correctly  synchronized.
(3)

选项 A、Legacy database
B、Backup database
C、Multidimensional database
D、Workgroup database

答案A

解析
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