Exam 5: Database Design

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When creating a table in the relational database design from an entity in the extended E-R model,the attributes of the entity become the rows of the table.

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Write the schema to represent the entities below,including tables,the proper placement of the foreign key,and referential integrity constraint. Write the schema to represent the entities below,including tables,the proper placement of the foreign key,and referential integrity constraint.

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STUDENT (StudentID, StuName, StuMajor, StuPhone, AdvisorID)
ADVISOR (AdvisorID, AdvName, AdvOffice, AdvPhone)
AdvisorID in STUDENT must exist in AdvisorID in ADVISOR.

To create a 1:1 relationship between two tables in Microsoft Access,the Indexed property of the foreign key column must be set to ________.

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Explain the representation of ID-dependent weak entities using the relational model.

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As far as Microsoft Access is concerned,there are no N:M relationships.

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In many-to-many relationships in a relational database design,________.

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As far as Microsoft Access is concerned,there are no ________.

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When applied to 1:N relationships,the term "parent" refers to the many side of the relationship since a child may have many parents.

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In a relational database design,all relationships are expressed by ________.

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What relationship pattern is illustrated in the following schema? EMPLOYEE EmployeeID,OfficePhone,Manager) Manager in EMPLOYEE must exist in EmployeeID in EMPLOYEE

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Which of the following is not true about representing subtypes in a relational database design?

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For a 1:1 relationship,the key of each table should be placed in the other table as the foreign key.

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How are one-to-one recursive relationships addressed using the relational model?

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To represent a M:N relationship in the relational model,an intersection relation is created to represent the relationship itself.

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The technique for representing E-R relationships in the relational model is dependent on the minimum cardinality.

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By default,Microsoft Access creates 1:1 relationships between tables.

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After a 1:1 relationship has been created between two tables in Microsoft Access,the Relationship Type of One-To-One appears in the ________.

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Which of the following is true when representing a 1:1 binary relationship using the relational model?

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Given the tables PRODUCT (ProductID, Description, Cost) SUPPLIER (SupplierID, ContactName, PhoneNumber) As shown in the figure below,which of the following would represent the correct placement of foreign keys? Given the tables  PRODUCT (<u>ProductID</u>, Description, Cost) SUPPLIER (<u>SupplierID</u>, ContactName, PhoneNumber) As shown in the figure below,which of the following would represent the correct placement of foreign keys?

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By default,the identifier of the entity becomes the foreign key of the corresponding table.

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