[02/Banas/07]
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Questions and Answers

Which phase is performed per source independently?

  • Delivery Phase
  • Overall Process Warehouse Phase (correct)
  • Based on snapshot date TS (gsr_sdts)
  • Based on load date TS (gsr_ldts)

    • What is the basis for performing the Delivery Phase?

  • Based on snapshot date TS (gsr_sdts) (correct)
  • Based on load date TS (gsr_ldts)
  • Overall Process Warehouse Phase
  • Delivery Phase

    • Which date is the basis for the Warehouse Phase?

  • Based on load date TS (gsr_ldts) (correct)
  • Overall Process Warehouse Phase
  • Delivery Phase
  • Based on snapshot date TS (gsr_sdts)

    • True or false: The Warehouse Phase is performed per instance?

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

    True or false: The Delivery Phase is performed per source independently?

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

    True or false: The basis for performing the Warehouse Phase is the snapshot date TS (gsr_sdts)?

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

    Match the following phases with their corresponding basis of execution:

    <p>Warehouse Phase = Load date TS (gsr_ldts) Delivery Phase = Snapshot date TS (gsr_sdts)</p> Signup and view all the answers

    Match the following phases with their corresponding execution method:

    <p>Warehouse Phase = Performed per source independently Delivery Phase = Performed per instance</p> Signup and view all the answers

    Match the following dates with the phases they are associated with:

    <p>Load date TS (gsr_ldts) = Warehouse Phase Snapshot date TS (gsr_sdts) = Delivery Phase</p> Signup and view all the answers

    Match the following load date timestamp uses with their descriptions:

    <p>Tracking the freshness of data = Used to determine if the data is up-to-date and reliable Identifying changes to data = Used to track trends and patterns in the data Troubleshooting data quality issues = Used to identify when the data was loaded and to track down the source of the problem Data scientist's use = Used to troubleshoot data quality issues</p> Signup and view all the answers

    Match the following data professionals with their potential use of load date timestamps:

    <p>Data warehouse engineer = Identify which tables need to be refreshed Data analyst = Track trends and patterns in data over time Data scientist = Troubleshoot data quality issues Database administrator = Manage load date timestamps in the database</p> Signup and view all the answers

    Match the following load date timestamp benefits with their descriptions:

    <p>Improved data quality = Load date timestamps can be used to improve the quality of data Reliable data = Load date timestamps can be used to determine if the data is reliable Easier tracking of data changes = Load date timestamps can be used to track changes to data over time Usable data = Load date timestamps can make data more usable</p> Signup and view all the answers

    Match the following load date timestamp terms with their definitions:

    <p>Load date timestamp = A timestamp that indicates when data was loaded into a data warehouse or data lake Data warehouse = A system used for reporting and data analysis Data lake = A storage repository that holds a vast amount of raw data Data quality = The standard of data that is required for it to be useful</p> Signup and view all the answers

    Match the following load date timestamp scenarios with their descriptions:

    <p>Data is up-to-date = Load date timestamp indicates recent data load Data quality issue = Load date timestamp helps to identify the source of incorrect data Data trend analysis = Load date timestamp helps to track changes to data over time Data warehouse maintenance = Load date timestamp is used to determine which tables need to be refreshed</p> Signup and view all the answers

    Which of the following is NOT a purpose of load date timestamps?

    <p>Determining the source of data</p> Signup and view all the answers

    What can load date timestamps be used for?

    <p>All of the above</p> Signup and view all the answers

    Who can use load date timestamps to track trends and patterns in data over time?

    <p>All of the above</p> Signup and view all the answers

    What is one way load date timestamps can be used to improve data quality?

    <p>Identifying changes to data</p> Signup and view all the answers

    Which phase in data warehousing is performed per source independently?

    <p>Delivery Phase</p> Signup and view all the answers

    What is the basis for performing the Warehouse Phase?

    <p>Snapshot date TS</p> Signup and view all the answers

    Which data professional can use load date timestamps to troubleshoot data quality issues?

    <p>All of the above</p> Signup and view all the answers

    What is one benefit of using load date timestamps in data warehousing?

    <p>All of the above</p> Signup and view all the answers

    Which phase in data warehousing is performed per instance?

    <p>Warehouse Phase</p> Signup and view all the answers

    What is the purpose of load date timestamps in data warehousing?

    <p>All of the above</p> Signup and view all the answers

    True or false: Load date timestamps are used to track how recently data has been loaded into a data warehouse or data lake.

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

    True or false: Load date timestamps can be used to identify changes to data over time.

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

    True or false: Load date timestamps are only used by data warehouse engineers.

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

    True or false: Load date timestamps can be used to troubleshoot data quality issues.

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

    True or false: Load date timestamps are not important in data warehousing or data lake management.

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

    True or false: Load date timestamps can help improve the quality and reliability of data.

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

    True or false: Load date timestamps are only used by data scientists.

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

    True or false: Load date timestamps can be used to track trends and patterns in data over time.

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

    True or false: Load date timestamps are only used by data analysts.

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

    True or false: Load date timestamps are not useful for anyone who works with data warehousing or data lakes.

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

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