Exam 9: Extension-Database Design

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In a relational database, each entity is described by

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If a student is allowed to have multiple majors and advisers are assigned to multiple students, these would be examples of ________ relationships.

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________ is the process of converting poorly-structured tables into two or more well-structured tables.

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In order to represent a(n) ________ type of relationship, a third table is created using the keys from the two entities being related.

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Once the entities have been defined, the data model can be implemented directly on the DBMS.

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A physical representation of a database is called a data model.

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When you place data into a database, you need to place (the) ________ records first.

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A person, place, or object would be represented in a database application as a(n)

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Each entity should have one unique identifier.

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One difficulty with designing database is the ________ number of possibilities of what to include.

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E-R diagrams are too cumbersome for use in database design discussions.

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A(n) ________ data model captures the entities and their relationships in a database application.

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Entities have ________ that describes characteristics of the entity.

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Tables are transformed into ________ to remove duplicate data and other problems.

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Normalization is a trade-off between the elimination of data duplication and processing speed.

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When a table contains inaccurate data for the same data elements in a table, it is said that the data in the table lacks ________.

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Entities have ________ with one another.

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"Name" would be a good identifier for a customer entity in a database application.

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If the same data element is stored differently in another table, this is said to be an issue of

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A 1:N relationship relates ________ record(s) to ________ record(s) in a database.

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