Because a Partial Dependency Can Exist Only If a Table's

question 84

Short Answer

Because a partial dependency can exist only if a table's primary key is composed of several attributes,a table whose ____________________ key consists of only a single attribute is automatically in 2NF if it is in 1NF.

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Definitions:

Pore Spaces

Voids or gaps found within soil or rock, where air or fluid can be stored.

Leaching

The process by which dissolved materials are washed away or carried with water down through the various layers of the soil.

Rhizobacteria

Beneficial bacteria that reside in the soil close to plant roots, often enhancing plant growth or protecting against pathogens.

Nod Factors

Signaling molecules produced by rhizobial bacteria that play a crucial role in the establishment of symbiosis with leguminous plants, leading to the formation of nitrogen-fixing nodules.