The Logical View of a Database

question 10

Multiple Choice

The logical view of a database:

• A) shows how data are organized and structured on the storage media.
• B) presents an entry screen to the user.
• C) allows the creation of supplementary reports.
• D) presents data as they would be perceived by end users.
• E) shows the relationships between entities and attributes.

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Definitions:

Inorganic Substance

A chemical compound that lacks carbon-hydrogen bonds, typical of non-living systems, such as minerals and metals.

Iodide Ions

Negatively charged ions of iodine, essential for thyroid gland function and hormone production.

Calcium Ions

Electrically charged calcium atoms that play a crucial role in various cellular processes including muscle contraction, neurotransmission, and enzyme activity.

Acid

A substance that donates hydrogen ions or protons and accepts electrons, often associated with a sour taste and capable of turning blue litmus paper red.