Physical Database Design and Performance Quiz Chapter 5
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Questions and Answers

What is the main goal of physical database design?

  • To create a user-friendly interface for data retrieval
  • To ensure that the database is fully normalized
  • To translate the logical description of data into technical specifications (correct)
  • To generate comprehensive reports on database performance

What are the key pieces of information needed for physical file and database design?

  • Database schema diagrams, index creation guidelines, data transformation rules, data archival policies, data migration strategies
  • Data visualization tools, network infrastructure details, database implementation procedures, user access levels, data encryption methods
  • Data validation rules, data entry requirements, backup and recovery plans, security protocols, database management systems
  • Normalized relations, attribute definitions, data usage descriptions, response time expectations, technology descriptions (correct)

What is the purpose of file organization in physical database design?

  • To eliminate the need for data indexing
  • To simplify the process of database normalization
  • To enforce referential integrity constraints
  • To optimize data storage and retrieval efficiency (correct)

Why is it important to choose appropriate storage formats for attributes in physical database design?

<p>To minimize storage space and improve retrieval performance (A)</p> Signup and view all the answers

What is the primary function of indexes in the context of physical database design?

<p>To facilitate rapid data retrieval (B)</p> Signup and view all the answers

What is the smallest unit of application data recognized by system software?

<p>Field (D)</p> Signup and view all the answers

What key decisions are included in physical database design?

<p>Storing and connecting files to make retrieving related data more efficient (C)</p> Signup and view all the answers

What are the four objectives involved in selecting a data type?

<p>Represent all possible values, improve data integrity, support all data manipulations, maximize storage space (C)</p> Signup and view all the answers

What is one of the typical integrity controls that a DBMS may support?

<p>Default value–assumed value if no explicit value (C)</p> Signup and view all the answers

What are the inputs to the physical design process?

<p>Attribute estimates (A)</p> Signup and view all the answers

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