Exam 2: The Relational Model

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When the primary key of one relation is placed into a second relation,it is called a ________.

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Every table is a relation,but not every relation is a table.

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In the normalization process,if you find a candidate key that is not a primary key then you should ________.

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In Microsoft Access,a relationship between two tables is created ________.

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A(n)________ is a unique,numeric value that is appended to the relation to serve as the primary key.

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The primary key is used both to identify unique rows in a relation and to represent rows in relationships.

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Since Microsoft Access is a personal database,it is not subject to the modification problems that occur in other relational databases.

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A rule that requires every value in a foreign key to match values in the corresponding primary key is called a(n)________ constraint.

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Which of the following is not true about a relation?

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The first step of the normalization process is to identify all the candidate keys of a relation.

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In the relational model,each row of a table contains data that represents an attribute of the entity.

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In SQL Server,the starting value of a surrogate key is called the ________.

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The first step of the normalization process is to ________.

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When the primary key of one relation is placed in a second relation to represent a relationship,the attribute in the second relation is called a(n)________ key.

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Briefly describe the various tasks of the primary key.

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In Microsoft Access,referential integrity constraints are created in the ________.

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Explain how to create a relationship in Microsoft Access.

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Null values can cause problems because they are ambiguous.

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In Microsoft Access,relationships between tables are created in the Relationships window.

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What are the basic steps of the normalization process?

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