In Relational Databases,there Is a Concept Known as ________ That

question 68

Short Answer

In relational databases,there is a concept known as ________ that ensures that data cannot be entered into a related table unless it first exists in a primary table.

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Definitions:

Chiral

Describes a molecule that cannot be superimposed on its mirror image, often resulting in molecules that have different biological activities.

Asymmetric Carbons

Carbon atoms bonded to four different groups, creating a chiral center and leading to possible optical isomerism.

Fischer Projection

A two-dimensional representation of a 3D organic molecule by projection, depicting stereochemistry at chiral centers.

Stereochemical Relationship

The relative spatial arrangement of atoms within molecules that dictates their chemical behavior and reactions, focusing on how these relationships affect molecular properties.