Which of the Following Is a Problem Found with 1NF

question 56

Multiple Choice

Which of the following is a problem found with 1NF (first normal form) design that does not exist in 2NF (second normal form) ?

• A)adding a new record creates difficulties
• B)2NF tables always contain consistent data compared to 1NF tables
• C)deleting a record creates difficulties
• D)changing a particular entity's description is cumbersome and expensive

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Definitions:

Spanning Passageway

A corridor or bridge that extends over a space, connecting two points or areas.

Corbel Vaulting

An architectural technique where each course of stone projects slightly beyond the previous layer, allowing for the creation of arches and vaults without centering.

Mortise And Tenon

A woodworking joint where a protruding tenon fits into a corresponding mortise to make a secure connection.

Post And Lintel

An architectural technique involving two vertical posts supporting a horizontal beam, lintel, commonly found in ancient structures.