In Database/ XML Applications,it Is a Recommended Practice That ________

question 70

Multiple Choice

In database/ XML applications,it is a recommended practice that ________.

• A)elements carry data,and attributes carry metadata
• B)elements carry metadata,and attributes carry data
• C)elements and attributes carry data,and the XML Schema carry metadata
• D)elements and attributes carry metadata,and the XML Schema carry data

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Definitions:

Quintet

A term often used in NMR spectroscopy to describe a signal pattern consisting of five peaks, indicative of the surrounding nuclear environment in molecules.

Triplet

A term in quantum physics describing a system or state with three closely related energy levels or particles.

Quartet

In NMR spectroscopy, a signal pattern of four peaks indicating the splitting of a signal due to coupling with three equivalent protons.

Doublet

In spectroscopy, a pair of closely spaced energy levels or lines, often observed in the spectra of atoms and molecules.