[03/Tennsift/06]
27 Questions
0 Views

[03/Tennsift/06]

Created by
@InestimableRhodolite

Questions and Answers

What is a common challenge teams face when trying to find the 'best' data model?

  • Refactoring the model without any discussion
  • Rapidly putting multiple models into production
  • Not putting any model into production
  • Spending weeks or months discussing a better model (correct)
  • Why does the text suggest putting a 'valid' model into production and refactoring over time?

  • To prevent any model from being put into production
  • To avoid prolonged discussions without practical validation (correct)
  • To ensure the initial model is perfect
  • To discourage any model refinement over time
  • When does the text suggest refactoring a data model?

  • When the model is considered perfect
  • When there are no discussions about model improvements
  • When the pain caused by the existing model is significant (correct)
  • When the model is initially put into production
  • Agile Approach to Data Vault Modelling suggests that finding the 'best' model requires minimal effort and can be achieved quickly.

    <p>False</p> Signup and view all the answers

    Teams may spend weeks or months discussing a 'better' data model without knowing if it is truly better until it is put into production.

    <p>True</p> Signup and view all the answers

    The text proposes putting a 'valid' model into production and then continuously refining it over time if the pain of the existing model is significant.

    <p>True</p> Signup and view all the answers

    Match the following terms with their corresponding meanings:

    <p>Agile Approach to Data Vault Modelling = Methodology for quickly putting a 'valid' model into production and refining it over time Finding the 'best' model = A time-consuming effort for teams, often leading to prolonged discussions without certainty Refactoring over time = Continuously improving the data model based on pain points and challenges Valid model into production = Putting a functional model into operation before extensive refinement</p> Signup and view all the answers

    Match the following concepts with their descriptions:

    <p>Agile Approach to Data Vault Modelling = Advocates for rapid deployment of a 'valid' model and ongoing improvements based on experience Pain is big enough = Indicating the necessity for change in the data model due to significant challenges or difficulties Better model discussions = Prolonged deliberations within teams on achieving an improved data model without immediate validation Data Vault Modelling = Methodology for structuring and managing data in a data warehouse environment</p> Signup and view all the answers

    Match the following statements with their corresponding implications:

    <p>Teams often discuss 'a better' model for weeks = Signifying the potential for prolonged and inconclusive deliberations on improving the data model Putting a 'valid' model into production = Advocating for the deployment of a functional model followed by iterative refinements based on real-world usage Refactoring over time = Emphasizing the continuous improvement and adaptation of the data model based on practical experience and challenges Finding the 'best' model is a lot of effort = Implying the significant time and resources required for the pursuit of an ideal data model</p> Signup and view all the answers

    What is database refactoring?

    <p>The process of improving the design of an existing database without changing its semantics</p> Signup and view all the answers

    What is a common reason for database refactoring?

    <p>To improve performance</p> Signup and view all the answers

    How does a well-designed database contribute to maintainability?

    <p>It is easier to maintain and update</p> Signup and view all the answers

    What is a benefit of putting a 'valid' model into production and then continuously refining it over time?

    <p>Reducing the risk of spending excessive time discussing a 'better' model</p> Signup and view all the answers

    What is the outcome of refactoring a database to improve security?

    <p>Reducing the risk of security vulnerabilities</p> Signup and view all the answers

    Why might you need to refactor your database to improve performance?

    <p>To make it more scalable and faster</p> Signup and view all the answers

    Database refactoring involves changing the semantics of the existing database.

    <p>False</p> Signup and view all the answers

    Improving database performance is not a common reason for database refactoring.

    <p>False</p> Signup and view all the answers

    A well-designed database is harder to maintain and update than a poorly-designed database.

    <p>False</p> Signup and view all the answers

    Refactoring the database can reduce the risk of security vulnerabilities.

    <p>True</p> Signup and view all the answers

    The text suggests that finding the 'best' data model requires minimal effort and can be achieved quickly.

    <p>False</p> Signup and view all the answers

    Refactoring a database to improve performance is not necessary.

    <p>False</p> Signup and view all the answers

    Match the following reasons for database refactoring with their implications:

    <p>To improve performance = A well-designed database can perform much faster than a poorly-designed database. To improve maintainability = A well-designed database is easier to maintain and update than a poorly-designed database. To improve security = A well-designed database is more secure than a poorly-designed database. To improve scalability = Refactoring your database can improve its performance and make it more scalable.</p> Signup and view all the answers

    Match the following benefits of database refactoring with their descriptions:

    <p>Easier to add new features and fix bugs = Refactoring your database makes it easier to add new features and fix bugs. Improved performance and scalability = Refactoring your database can improve its performance and make it more scalable. Reduced risk of security vulnerabilities = Refactoring your database can reduce the risk of security vulnerabilities. Easier to understand, maintain, and extend = The refactored database should be easier to understand, maintain, and extend.</p> Signup and view all the answers

    Match the following characteristics of well-designed databases with their implications:

    <p>Perform much faster than poorly-designed databases = A well-designed database can perform much faster than a poorly-designed database. Easier to maintain and update = A well-designed database is easier to maintain and update than a poorly-designed database. More secure than poorly-designed databases = A well-designed database is more secure than a poorly-designed database. More scalable than poorly-designed databases = A well-designed database is more scalable than a poorly-designed database.</p> Signup and view all the answers

    Match the following reasons for database refactoring with their outcomes:

    <p>To improve performance = Refactoring your database can improve its performance and make it more scalable. To improve maintainability = Refactoring your database makes it easier to add new features and fix bugs. To improve security = Refactoring your database can reduce the risk of security vulnerabilities. To improve scalability = Refactoring your database can improve its performance and make it more scalable.</p> Signup and view all the answers

    Match the following implications of database refactoring with their reasons:

    <p>A well-designed database can perform much faster than a poorly-designed database. = To improve performance A well-designed database is easier to maintain and update than a poorly-designed database. = To improve maintainability A well-designed database is more secure than a poorly-designed database. = To improve security Refactoring your database can improve its performance and make it more scalable. = To improve scalability</p> Signup and view all the answers

    Match the following outcomes of database refactoring with their benefits:

    <p>Refactoring your database can improve its performance and make it more scalable. = Improved performance and scalability Refactoring your database makes it easier to add new features and fix bugs. = Easier to add new features and fix bugs Refactoring your database can reduce the risk of security vulnerabilities. = Reduced risk of security vulnerabilities The refactored database should be easier to understand, maintain, and extend. = Easier to understand, maintain, and extend</p> Signup and view all the answers

    More Quizzes Like This

    [03/MSSBI/01]
    180 questions
    [03/Tennsift/01]
    30 questions

    [03/Tennsift/01]

    InestimableRhodolite avatar
    InestimableRhodolite
    [03/Tennsift/02]
    29 questions

    [03/Tennsift/02]

    InestimableRhodolite avatar
    InestimableRhodolite
    [03/Tennsift/04]
    48 questions

    [03/Tennsift/04]

    InestimableRhodolite avatar
    InestimableRhodolite
    Use Quizgecko on...
    Browser
    Browser