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Each Attribute in a Relational Database Model Can Be Constrained

question 24

Multiple Choice

Each attribute in a relational database model can be constrained to a range of allowable values called a _____.


Definitions:

Isobutyl Acetate

An organic compound and ester formed from the reaction of isobutanol with acetic acid, commonly used as a solvent and in flavorings.

Splitting Patterns

Describes how the peaks in an NMR spectrum are divided into multiple sub-peaks due to interactions between non-equivalent hydrogen atoms in a molecule, revealing its structure.

NMR Data

Information obtained from Nuclear Magnetic Resonance spectroscopy, useful for determining molecular structure and dynamics.

Quartet

In nuclear magnetic resonance (NMR) spectroscopy, a signal that is split into four separate peaks, indicating the presence of specific atomic environments in a molecule.

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