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Physical Database Design and Performance Quiz Chapter 5

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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?

To minimize storage space and improve retrieval performance Signup and view all the answers

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

To facilitate rapid data retrieval Signup and view all the answers

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

Field Signup and view all the answers

What key decisions are included in physical database design?

Storing and connecting files to make retrieving related data more efficient Signup and view all the answers

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

Represent all possible values, improve data integrity, support all data manipulations, maximize storage space Signup and view all the answers

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

Default value–assumed value if no explicit value Signup and view all the answers

What are the inputs to the physical design process?

Attribute estimates Signup and view all the answers