Briefly Describe the Problems Regarding Data Redundancy and Concurrency in Older

question 29

Essay

Briefly describe the problems regarding data redundancy and concurrency in older methods of data storage (such as in flat-file data bases).Also describe how a relational database eliminates redundancy and concurrency problems.

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Definitions:

Swollen Lymph Glands

Enlargement of lymph nodes often due to infection, inflammation, or malignancy, indicating an immune response.

Night Sweats

Excessive sweating during the night, which is not related to an overheated environment and can be a symptom of various medical conditions.

Itching

A sensation that causes the desire or reflex to scratch, often resulting from irritation to the skin or underlying issues.

Discharge

The release of substances from a certain area, such as the expulsion of waste materials from a living organism or pollutants into the environment.