Exam 15: Database Design and Entity Relationships

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When two rows in a database are supposed to refer to the same thing and they do not,you have a data integrity problem.

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A(n)________ diagram is like a blueprint of a database application.

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The cardinality of the relationship between a employer and its employees is

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Users validate and approve the data model prior to its transformation into a database design.

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When creating tables for an entity,the identifier of the entity becomes the _________ of the table.

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A crow's foot diagram is a type of

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Database practitioners classify tables into various ________ depending on the type of data integrity problems to which they might be subject.

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In E-R diagrams,entities are represented with rectangles.

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The most confusing type of a relationship is the ________ relationship.

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

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The notation N:N indicates a many-to-many relationship.

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At times you may not place a field in a table because it can be readily computed in forms or reports.

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Describe how normalization works.

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

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"Address" would be a likely attribute of a customer entity in a database application.

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________ would be the best identifier attribute for an employee table.

(Multiple Choice)
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UML stands for

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Understanding how to interpret E-R diagrams will help you interpret ________ with a bit of study.

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On the many side of a relationship you place the ________ of the ________ relationship to represent the relationships in the database.

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The user's review of the data model is

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