Multiple choice:The logical relationship of data refers to the () of data elements.
The logical relationship of data refers to the () of data elements@[ B](2)
A. Connection
B. Structure
C. Data item
D. Storage mode
A. Connection
B. Structure
C. Data item
D. Storage mode
answer:B
A. Connection
B. Structure
C. Data item
D. Storage mode
A. Connection
B. Structure
C. Data item
D. Storage mode
answer:B