Describe what the term data redundancy means in database

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Reference no: EM13593218

1.Explain the terms entity, relationship, and attributes. Describe how they are used in a database.

2.Describe the update problem caused by a de-normalized design.

3. Describe what the term "data redundancy" means in database design. Explain if it is bad and if a normalized database design is always the best design. Discuss the pros and cons of a normalized database.

Reference no: EM13593218

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