[03/Ubangi/02]
66 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which type of entity is not a standard entity type in the Valid (Raw) Data Vault 2.0 model?

  • Links
  • Reference tables (correct)
  • Hubs
  • Satellites
  • In the Valid (Raw) Data Vault 2.0 model, what are the special entity types?

  • Multi-active satellites and effectivity satellites (correct)
  • Satellites and hubs
  • Hubs and links
  • Satellites and reference tables
  • How many entity types are there in the Valid (Raw) Data Vault 2.0 model?

  • 3
  • 4
  • 2
  • 5 (correct)
  • True or false: The Valid (Raw) Data Vault 2.0 model includes reference tables.

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

    True or false: Multi-active satellites are a type of special entity in the Valid (Raw) Data Vault 2.0 model.

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

    True or false: The Valid (Raw) Data Vault 2.0 model typically involves counting entities in the thousands.

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

    Match the following entity types to their descriptions in the Valid (Raw) Data Vault 2.0 model:

    <p>Hubs = Entities that represent the core business concepts Links = Entities that represent the relationships between hubs Satellites = Entities that contain descriptive or historical data related to hubs Reference tables = Entities that store reference data</p> Signup and view all the answers

    Match the following terms to their definitions in the Valid (Raw) Data Vault 2.0 model:

    <p>Effectivity satellites = Entities that track the duration of certain relationships Non-historized links = Entities that do not store historical data Multi-active satellites = Entities that store multiple versions of data for the same hub Standard entity types = The basic types of entities in the Data Vault 2.0 model</p> Signup and view all the answers

    Match the following statements to their accuracy regarding the Valid (Raw) Data Vault 2.0 model:

    <p>True = Multi-active satellites are a type of special entity False = There are only three entity types in the model</p> Signup and view all the answers

    Match the following Data Vault 2.0 satellite types with their descriptions:

    <p>Multi-Active Satellites = Can store multiple active records for a given business key at a point in time Effectivity Satellites = Store the effective dates of a relationship between two entities</p> Signup and view all the answers

    Match the following examples to the appropriate Data Vault 2.0 satellite types:

    <p>A customer may have multiple active phone numbers at a given time = Multi-Active Satellites An employee's employment start and end dates at a company = Effectivity Satellites</p> Signup and view all the answers

    Match the following scenarios to the Data Vault 2.0 satellite types they are typically used for:

    <p>Tracking the start and end dates of an employee's employment at a company = Effectivity Satellites Modeling situations where there can be multiple active records for a given business key = Multi-Active Satellites</p> Signup and view all the answers

    Match the following types of relationships to the appropriate Data Vault 2.0 satellite types:

    <p>Organizational relationships = Effectivity Satellites Product relationships = Effectivity Satellites System relationships = Effectivity Satellites</p> Signup and view all the answers

    Match the following statements to the appropriate Data Vault 2.0 satellite types:

    <p>They can only store a single active record for a given business key at a point in time = Traditional Satellite Tables They are used to track when a relationship between two entities begins and ends = Effectivity Satellites</p> Signup and view all the answers

    Match the following Data Vault 2.0 components with their descriptions:

    <p>Effectivity Satellite = Stores the keys of the two entities and the effective dates of the relationship Non-Historized Links = Used to capture transactions, messages, and facts Reference Tables = Store descriptive information about the data in the satellite tables Satellite Tables = Contain the actual data in the Data Vault 2.0 model</p> Signup and view all the answers

    Match the following benefits of using reference tables with their descriptions:

    <p>Improved Data Readability = Codes and descriptions are stored separately, making the data in the satellite tables more readable Enhanced Data Quality = Reference tables ensure that the data is consistent and accurate Increased Query Performance = Reference tables reduce the amount of data that needs to be scanned in queries Code Consistency = A reference table for color codes can be used to ensure that the same color code is not used for different colors</p> Signup and view all the answers

    Match the following types of data to their corresponding examples:

    <p>Reference Tables = Country codes and descriptions, contract status codes and descriptions, and color codes and descriptions Effectivity Satellite = A table that stores the keys of the two entities and the effective dates of the relationship Satellite Tables = Tables that contain the actual data in the Data Vault 2.0 model Non-Historized Links = Call records in telcos, booking records in banks, and IoT messages from sensors</p> Signup and view all the answers

    Match the following Data Vault 2.0 components to their roles:

    <p>Effectivity Satellite = Captures the duration of a particular relationship between two entities Non-Historized Links = Used to produce fact entities in dimensional models Reference Tables = Store codes and descriptions to make the data more readable and understandable Satellite Tables = Contain the actual data and metadata in the Data Vault 2.0 model</p> Signup and view all the answers

    Match the following benefits of using reference tables in Data Vault 2.0 with their descriptions:

    <p>Improved Data Readability = Codes and descriptions are stored in a separate table, making the data more readable Enhanced Data Quality = Reference tables help to ensure that the data is consistent and accurate Increased Query Performance = Reference tables reduce the amount of data that needs to be scanned in queries Code Consistency = Reference tables can be used to enforce consistency of codes, such as color codes</p> Signup and view all the answers

    Match the following components of Data Vault 2.0 to their functions:

    <p>Effectivity Satellite = Stores the effective start and end dates of a relationship between two entities Non-Historized Links = Capture transactions, messages, and facts in the granularity of the source data Reference Tables = Store descriptive information to make the data more readable and understandable Satellite Tables = Contain the actual data in the Data Vault 2.0 model</p> Signup and view all the answers

    Match the following Data Vault 2.0 components to their descriptions:

    <p>Effectivity Satellite = A table that stores information about the duration of a relationship between two entities Non-Historized Links = Used to capture incoming dataset in the granularity of the source data Reference Tables = Store codes and descriptions to improve data readability and quality Satellite Tables = Contain the actual data and metadata in the Data Vault 2.0 model</p> Signup and view all the answers

    Match the following types of tables in Data Vault 2.0 to their functions:

    <p>Effectivity Satellite = Stores the keys of the two entities and the effective dates of the relationship Non-Historized Links = Capture transactions, messages, and facts in the granularity of the source data Reference Tables = Store descriptive information about the data in the satellite tables Satellite Tables = Contain the actual data in the Data Vault 2.0 model</p> Signup and view all the answers

    Match the following Data Vault 2.0 components to their roles:

    <p>Effectivity Satellite = Captures the duration of a particular relationship between two entities Non-Historized Links = Used to produce fact entities in dimensional models Reference Tables = Store codes and descriptions to make the data more readable and understandable Satellite Tables = Contain the actual data and metadata in the Data Vault 2.0 model</p> Signup and view all the answers

    Match the following types of tables in Data Vault 2.0 to their functions:

    <p>Effectivity Satellite = Stores the keys of the two entities and the effective dates of the relationship Non-Historized Links = Capture transactions, messages, and facts in the granularity of the source data Reference Tables = Store descriptive information about the data in the satellite tables Satellite Tables = Contain the actual data in the Data Vault 2.0 model</p> Signup and view all the answers

    Which of the following is an example of a non-historized link in Data Vault 2.0?

    <p>A table storing call records in a telco</p> Signup and view all the answers

    What information is typically stored in a reference table in Data Vault 2.0?

    <p>Codes and descriptions, such as country codes and descriptions</p> Signup and view all the answers

    How do reference tables improve data quality in Data Vault 2.0?

    <p>By ensuring consistency and accuracy of data</p> Signup and view all the answers

    What is the purpose of an effectivity satellite in Data Vault 2.0?

    <p>To store the effective start and end dates of a relationship</p> Signup and view all the answers

    What is the benefit of using reference tables in Data Vault 2.0?

    <p>To store descriptive information about the data in the satellite tables</p> Signup and view all the answers

    Which of the following is NOT a function of a reference table in Data Vault 2.0?

    <p>Capturing transactions, messages, and facts</p> Signup and view all the answers

    What type of information is typically stored in an effectivity satellite in Data Vault 2.0?

    <p>The effective start and end dates of a relationship</p> Signup and view all the answers

    How can reference tables improve the performance of queries in Data Vault 2.0?

    <p>By reducing the amount of data that needs to be scanned</p> Signup and view all the answers

    What is the purpose of a link table in Data Vault 2.0?

    <p>To identify the two entities in a relationship</p> Signup and view all the answers

    What is the purpose of a satellite table in Data Vault 2.0?

    <p>To store descriptive information about the data in the satellite tables</p> Signup and view all the answers

    Which type of satellite table in Data Vault 2.0 can store multiple active records for a given business key at a point in time?

    <p>Multi-active satellites</p> Signup and view all the answers

    What is the purpose of effectivity satellites in Data Vault 2.0?

    <p>To store the effective dates of a relationship between two entities</p> Signup and view all the answers

    Which of the following is an example of a situation where multi-active satellites are useful?

    <p>Tracking multiple active phone numbers for a customer</p> Signup and view all the answers

    What can be tracked using effectivity satellites in Data Vault 2.0?

    <p>The history of relationships between entities</p> Signup and view all the answers

    Which type of relationship can be tracked using effectivity satellites in Data Vault 2.0?

    <p>Organizational relationships</p> Signup and view all the answers

    What kind of information can be obtained using effectivity satellites in Data Vault 2.0?

    <p>The history of relationships between entities</p> Signup and view all the answers

    Which type of satellite table in Data Vault 2.0 allows you to store multiple active records for a given business key at a point in time?

    <p>Multi-active satellites</p> Signup and view all the answers

    What is the purpose of effectivity satellites in Data Vault 2.0?

    <p>To store the effective dates of a relationship between two entities</p> Signup and view all the answers

    Which of the following is an example of a situation where multi-active satellites are useful?

    <p>Tracking multiple active phone numbers for a customer</p> Signup and view all the answers

    What can be tracked using effectivity satellites in Data Vault 2.0?

    <p>The history of relationships between entities</p> Signup and view all the answers

    Which type of relationship can be tracked using effectivity satellites in Data Vault 2.0?

    <p>Organizational relationships</p> Signup and view all the answers

    What kind of information can be obtained using effectivity satellites in Data Vault 2.0?

    <p>The history of relationships between entities</p> Signup and view all the answers

    True or false: Multi-active satellites in Data Vault 2.0 can store multiple active records for a given business key at a point in time.

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

    True or false: Effectivity satellites in Data Vault 2.0 store the effective dates of a relationship between two entities.

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

    True or false: Multi-active satellites are used to track when a relationship between two entities begins and ends.

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

    True or false: Effectivity satellites are a valuable tool in Data Vault 2.0 for tracking the history of relationships between entities.

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

    True or false: Multi-active satellites are a type of special entity in the Valid (Raw) Data Vault 2.0 model.

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

    True or false: Effectivity satellites can be used to track the start and end dates of an employee's employment at a company.

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

    True or false: Multi-active satellites are typically used to track the start and end dates of a product being sold by a company.

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

    True or false: Effectivity satellites can be used to track the start and end dates of a customer using a particular software application.

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

    True or false: The Valid (Raw) Data Vault 2.0 model typically involves counting entities in the thousands.

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

    True or false: Reference tables in Data Vault 2.0 can improve the performance of queries.

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

    True or false: Effectivity satellites in Data Vault 2.0 store the keys of the two entities and the effective start and end dates of the relationship.

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

    True or false: Non-historized links in Data Vault 2.0 capture transactions, messages, and facts in the granularity of the source data.

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

    True or false: Reference tables in Data Vault 2.0 store descriptive information about the data in the satellite tables.

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

    True or false: Reference tables in Data Vault 2.0 make the data more readable and understandable by storing codes and descriptions separately.

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

    True or false: Reference tables in Data Vault 2.0 help improve data quality by ensuring consistent and accurate data.

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

    True or false: Reference tables in Data Vault 2.0 can improve query performance by reducing the amount of data that needs to be scanned.

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

    True or false: Effectivity satellites in Data Vault 2.0 can track relationships between entities with effective start and end dates.

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

    True or false: Effectivity satellites in Data Vault 2.0 are used to store descriptive information about the data in the satellite tables.

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

    True or false: Effectivity satellites in Data Vault 2.0 can be attached to entities using link tables.

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

    True or false: Reference tables in Data Vault 2.0 are important for making the data more readable and understandable, improving data quality, and enhancing query performance.

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

    More Like This

    Database Management Fundamentals Quiz
    10 questions
    Attributes in Database Management
    10 questions
    Database Entity Types and Keys
    10 questions

    Database Entity Types and Keys

    AuthenticWilliamsite6598 avatar
    AuthenticWilliamsite6598
    Use Quizgecko on...
    Browser
    Browser