A Combination of One or More Columns Used to Identify

question 72

Multiple Choice

A combination of one or more columns used to identify particular rows in a relation is a ________.

• A)record
• B)field
• C)key
• D)tuple
• E)dependency

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Definitions:

Cisplatin Molecule

A platinum-based chemotherapy drug used in the treatment of various cancers, known by its chemical formula of Pt(NH3)2Cl2.

Square Planar

A molecular geometry that describes molecules with four atoms or groups of atoms arranged at the corners of a square plane surrounding a central atom.

Octahedral

A shape having eight faces, often referring to the geometric arrangement around a central atom in a molecule.

Immunoassay Test

A diagnostic procedure that utilizes the reaction between an antibody and an antigen to measure specific substances in biological samples.