Exam 6: Normalization of Database Tables

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Any attribute whose value determines other values within a row is known as a .

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refers to the level of detail represented by the values stored in a table's row.

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When a table contains only one candidate key, are considered to be equivalent.

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All relational tables satisfy the requirements.

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When a nonkey attribute is the determinant of a key attribute, the table is in 3NF but not in .

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The combination of normalization and ER modeling yields a useful ERD, whose entities can be translated into appropriate relationship structures.

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Data warehouse routinely uses structures in its complex, multilevel, multisource data environment.

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Normalization works through a series of stages called normal forms.

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From a structural point of view, 2NF is better than .

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BCNF can be violated only if the table contains more than one key.

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The most likely data type for a surrogate key is .

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Improving leads to more flexible queries.

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To generate a surrogate key, Microsoft Access uses a(n) data type.

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When designing a new database structure based on the business requirements of the end users, the database designer will construct a data model using a technique such as .

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A table is in 2NF if it is in 1NF, and it includes no partial dependencies.

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According to the data-modeling checklist, should be nouns that are familiar to business, should be short and meaningful, and should document abbreviations, synonyms, and aliases for each entity.

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When designing a database, you should .

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Data redundancy produces .

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A table is in 4NF if it is in 3NF, and .

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1NF, 2NF, and 3NF are .

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