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Physical Database Design
When storage space is scarce and physical records cannot span pages, creating multiple physical records from one logical relation will minimize wasted storage space.
True
Correct Answer:
True
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Physical Database Design
Data-volume and frequency-of-use statistics are not critical inputs to the physical database design process.
Distributing the columns of a table into several separate physical records is known as horizontal partitioning.
Two basic constructs to link one piece of data with another piece of data: sequential storage and pointers.
Denormalization and clustering can work well to minimize data access time for small records.
An extent is a contiguous section of disk storage space.
A pointer is a detailed coding scheme recognized by system software for representing organizational data.
It is usually not very important to design the physical database to minimize the time required by users to interact with the information systems.
The primary goal of physical database design is data processing efficiency.
A field represents each component of a composite attribute.
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