Exam 5: Database Processing

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Which of the following is the smallest element in a database?

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C

A spreadsheet can be used to store data if the structure of a list is simple.

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True

A foreign key is essential in relational databases to represent the relationship between two tables.

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True

Which of the following is True of single-user databases?

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Describe database management system and the functions provided by DBMS. List some of the popular DBMS products.

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The accuracy of a database design is not dependent on the corresponding data model.

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Which of the following data elements is placed higher than records in the database hierarchy?

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The data integrity problem occurs only if data are duplicated.

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The process of normalization constructs tables such that every table has a ________.

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The crow's-foot notation in an E-R diagram shows the maximum number of entities that can be involved in a relationship.

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A database is used instead of a spreadsheet when ________.

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________ is the process of converting a data model into tables, relationships, and data constraints.

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A line in an entity-relationship (E-R) diagram is used to represent the attributes of an entity.

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The general goal of normalization is to construct tables such that every table has a single topic or theme.

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Explain the different types of database applications.

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Each entity in a database has a unique attribute called a(n) ________.

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A data integrity problem will occur only if ________.

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Minimum cardinalities represent the lower limit on the number of entities required in a relationship.

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Identify the type of task performed by a database administrator when validating the data model to be used in a database management system.

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An administrator should create a ________ before developing the database design.

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