[03/Tennsift/09]
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Questions and Answers

What is the purpose of adding virtual or materialized Same-As-Links in the context of the Raw Data Vault?

  • To integrate the non-integrated model (correct)
  • To mark 'bad' entities in DWA metadata as hidden
  • To re-assign satellites to new parent virtually
  • To add business hubs with 'better' business keys
  • What action should be taken to enhance business keys in the Raw Data Vault?

  • Mark 'bad' entities in DWA metadata as hidden
  • Add business hubs with 'better' business keys (correct)
  • Re-assign satellites to new parent virtually
  • Link hubs to the other hubs in the Raw Data Vault
  • In the context of the Raw Data Vault, what is the purpose of re-assigning satellites to new parent virtually?

  • To improve the structure of the Raw Data Vault (correct)
  • To integrate the non-integrated model
  • To add virtual or materialized Same-As-Links
  • To mark 'bad' entities in DWA metadata as hidden
  • Adding virtual or materialized Same-As-Links is a recommended practice to integrate the non-integrated model in the Raw Data Vault.

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

    Marking 'bad' entities in DWA metadata as hidden is a step recommended in the context of Raw Data Vault.

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

    In the Raw Data Vault, business hubs with 'better' business keys should not be linked to the other hubs.

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

    Match the following actions with their purpose in the context of Raw Data Vault:

    <p>Add business hubs with 'better' business keys = Enhance business keys Re-assign satellites to new parent virtually = Change satellite parent Add virtual or materialized Same-As-Links = Integrate non-integrated model Mark 'bad' entities in DWA metadata as hidden = Hide 'bad' entities</p> Signup and view all the answers

    Match the following actions with their effect in the Raw Data Vault:

    <p>Add virtual or materialized Same-As-Links = Integration of non-integrated model Link 'better' business key business hubs to other hubs = Link business hubs Re-assign satellites to new parent virtually = Change satellite parent Mark 'bad' entities in DWA metadata as hidden = Hide 'bad' entities</p> Signup and view all the answers

    Match the following actions with their recommended usage in the Raw Data Vault:

    <p>Add business hubs with 'better' business keys = Recommended for enhancing business keys Add virtual or materialized Same-As-Links = Recommended for integrating non-integrated model Re-assign satellites to new parent virtually = Recommended for changing satellite parent Mark 'bad' entities in DWA metadata as hidden = Recommended for hiding 'bad' entities</p> Signup and view all the answers

    What is the purpose of same-as-links in data vault?

    <p>To indicate that two records represent the same real-world entity</p> Signup and view all the answers

    Who is typically responsible for creating manual same-as-links in data vault?

    <p>Data stewards</p> Signup and view all the answers

    When might you use a same-as-link in data vault?

    <p>When two systems have different IDs for the same entity</p> Signup and view all the answers

    How can automatic same-as-links be created in data vault?

    <p>Using data matching algorithms</p> Signup and view all the answers

    What problem do same-as-links help to prevent in data vault?

    <p>Creation of duplicate records</p> Signup and view all the answers

    What change in an entity might prompt the use of a same-as-link in data vault?

    <p>When an entity's ID changes over time</p> Signup and view all the answers

    Same-as-links in data vault are used to indicate that two records represent different real-world entities.

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

    Same-as-links are important in data vault because they help to ensure the integrity of the data.

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

    Automatic same-as-links in data vault are typically created by data stewards.

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

    Same-as-links can be created manually or automatically.

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

    Same-as-links are used when two systems have the same IDs for the same entity.

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

    Same-as-links can help prevent duplicate records from being created in data vault.

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

    Match the following with their role in creating same-as-links in data vault:

    <p>Data stewards = Responsible for creating manual same-as-links Data matching algorithms = Responsible for creating automatic same-as-links Same-as-links = Help prevent duplicate records and ensure data integrity Two systems with different IDs for the same entity = Scenario where same-as-links might be used</p> Signup and view all the answers

    Match the following with their purpose in the context of Raw Data Vault:

    <p>Same-as-links = Prevent duplicate records and ensure consistency of references Virtual or materialized Same-As-Links = Recommended practice to integrate the non-integrated model Business hubs with 'better' business keys = Should be linked to other hubs Marking 'bad' entities in DWA metadata as hidden = Recommended step in the context of Raw Data Vault</p> Signup and view all the answers

    Match the following with their effect in the Raw Data Vault:

    <p>Re-assigning satellites to new parent virtually = Purpose in the context of Raw Data Vault Adding virtual or materialized Same-As-Links = Recommended practice to integrate the non-integrated model Enhancing business keys = Step recommended in the context of Raw Data Vault Creating same-as-links = Help prevent duplicate records and ensure data integrity</p> Signup and view all the answers

    Match the following with their usage in data vault:

    <p>Same-as-link = Type of link used to indicate two records represent the same real-world entity Automatic same-as-links = Can be created using data matching algorithms Manual same-as-links = Typically created by data stewards Entity's ID changes over time = Scenario prompting the use of a same-as-link</p> Signup and view all the answers

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