题目内容

A is a group of eight .

A. bit; bytes
B. byte; bits
C. field; files
D. file; fields

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Microsoft ________ is a popular example of a relational database.

Access
B. Excel
C. PowerPoint
D. Word

The relational database model is based on the concept of ________-dimensional tables.

A. one
B. two
C. three
D. four

The ________ creates links between two tables.

A. alien
B. foreign
C. primary
D. secondary

A data is a low-cost, scaled-down version of a data that is designed for the end-user needs in an SBU or an individual department.

A. mart; store
B. mart; warehouse
C. warehouse; mart
D. warehouse; store