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How would you set up a relationship between a table of Books and a table of Authors in a relational database?

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One book can have many authors and one a...

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When you build a relational database for an organization, what is a good starting point for identifying required user views?


A) Collect the organization's forms and reports.
B) Video each user.
C) Conduct a detailed survey.
D) Attend staff meetings.

E) None of the above
F) B) and C)

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Which of the following items is not identified in relational database design documentation?


A) primary key field for each entity
B) possible user views for each entity
C) proper one-to-many relationships between the entities
D) attributes needed for each normalized entity

E) A) and B)
F) All of the above

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A one-to-many relationship with _____ means that a record in the parent table must be established before a related record in the child table can be entered.


A) cardinality
B) access restrictions
C) referential integrity
D) alternate keys

E) A) and D)
F) A) and B)

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A _____ serves on the "many" side of a one-to-many relationship with each of two other tables.


A) secondary key
B) junction table
C) lookup table
D) connecting table

E) A) and D)
F) A) and C)

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What shape does an E-R diagram use to represent entities?


A) rectangle
B) oval
C) triangle
D) diamond

E) All of the above
F) None of the above

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When two tables in a query share no common fields, each record in one table connects to each record in the other table, creating a(n) _____.


A) many-to-many relationship
B) one-to-one relationship
C) outer join
D) Cartesian join

E) All of the above
F) B) and C)

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In an entity-relationship model (ERM) , what information appears in ovals?


A) entities
B) attributes
C) relationships
D) dependencies

E) A) and B)
F) B) and C)

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How does the Access Relationships window indicate the "many" field in a one-to-many relationship?


A) ring and crow's foot
B) number 1
C) filled circle
D) infinity symbol

E) A) and B)
F) All of the above

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In a database for a health care clinic, a medical specialty is listed only once in the Specialties table, but each specialty may be linked to many doctors in the Doctors table. What type of relationship do the Specialties and Doctors tables have?


A) one to many
B) one to one
C) many to one
D) many to many

E) B) and C)
F) C) and D)

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Because you cannot directly create a many-to-many relationship between two tables, what must you create to link the tables together?


A) junction table
B) entity-relationship diagram
C) Cartesian join
D) secondary table

E) None of the above
F) B) and C)

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Building the entities, attributes, constraints, and relationships in a particular RDBMS is called the _____.


A) information-level design
B) conceptual design
C) entity-relationship (E-R) design
D) physical-level design

E) A) and B)
F) A) and C)

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Which of the following is a type of E-R diagram?


A) Access Database Documenter
B) crow's foot notation
C) entity tree notation
D) Database Design Language (DBDL)

E) None of the above
F) A) and B)

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In the following Database Design Language (DBDL) notation, what does SK stand for? Employees (EmpID, LastName, FirstName, SSN, DeptNum) AK SSN SK LastName, FirstName FK DeptNum à Departments


A) subkey
B) start key
C) SQL key
D) secondary key

E) None of the above
F) A) and D)

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In Access Table Datasheet View, how can you display the records from a related table?


A) Click the Lookup button on the ribbon.
B) Click the Related Records button on the ribbon.
C) Right-click a field and then click Relationships on the shortcut menu.
D) Click the expand button to expand a subdatasheet.

E) B) and C)
F) C) and D)

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Which of the following tools does not help you document relationships between tables?


A) Database Design Language
B) user views
C) entity-relationship diagram
D) entity-relationship model

E) A) and B)
F) A) and C)

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Define the types of cardinality in a database and explain the cardinality of primary keys and foreign keys.

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In a database, cardinality refers to the...

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What can you create in Access to show data in a single record and all its related records?


A) one-to-one relationship
B) lookup reports
C) form and subform
D) related user views

E) B) and D)
F) B) and C)

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A query creates a Cartesian join between one table with 5 records and another table with 20 records. How many records are displayed in the results?


A) 100
B) 25
C) 15
D) 4

E) All of the above
F) B) and D)

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Which of the following statements is not true about primary key fields?


A) The primary key field must participate in a one-to-many relationship.
B) The primary key field contains unique data for each record in the table.
C) The primary key field is automatically indexed.
D) The primary key field is the linking field in the table on the "one" side of a one-to-many relationship.

E) A) and D)
F) B) and C)

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