66 Questions
Which type of entity is not a standard entity type in the Valid (Raw) Data Vault 2.0 model?
Reference tables
In the Valid (Raw) Data Vault 2.0 model, what are the special entity types?
Multi-active satellites and effectivity satellites
How many entity types are there in the Valid (Raw) Data Vault 2.0 model?
5
True or false: The Valid (Raw) Data Vault 2.0 model includes reference tables.
True
True or false: Multi-active satellites are a type of special entity in the Valid (Raw) Data Vault 2.0 model.
True
True or false: The Valid (Raw) Data Vault 2.0 model typically involves counting entities in the thousands.
True
Match the following entity types to their descriptions in the Valid (Raw) Data Vault 2.0 model:
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
Match the following terms to their definitions in the Valid (Raw) Data Vault 2.0 model:
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
Match the following statements to their accuracy regarding the Valid (Raw) Data Vault 2.0 model:
True = Multi-active satellites are a type of special entity False = There are only three entity types in the model
Match the following Data Vault 2.0 satellite types with their descriptions:
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
Match the following examples to the appropriate Data Vault 2.0 satellite types:
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
Match the following scenarios to the Data Vault 2.0 satellite types they are typically used for:
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
Match the following types of relationships to the appropriate Data Vault 2.0 satellite types:
Organizational relationships = Effectivity Satellites Product relationships = Effectivity Satellites System relationships = Effectivity Satellites
Match the following statements to the appropriate Data Vault 2.0 satellite types:
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
Match the following Data Vault 2.0 components with their descriptions:
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
Match the following benefits of using reference tables with their descriptions:
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
Match the following types of data to their corresponding examples:
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
Match the following Data Vault 2.0 components to their roles:
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
Match the following benefits of using reference tables in Data Vault 2.0 with their descriptions:
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
Match the following components of Data Vault 2.0 to their functions:
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
Match the following Data Vault 2.0 components to their descriptions:
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
Match the following types of tables in Data Vault 2.0 to their functions:
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
Match the following Data Vault 2.0 components to their roles:
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
Match the following types of tables in Data Vault 2.0 to their functions:
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
Which of the following is an example of a non-historized link in Data Vault 2.0?
A table storing call records in a telco
What information is typically stored in a reference table in Data Vault 2.0?
Codes and descriptions, such as country codes and descriptions
How do reference tables improve data quality in Data Vault 2.0?
By ensuring consistency and accuracy of data
What is the purpose of an effectivity satellite in Data Vault 2.0?
To store the effective start and end dates of a relationship
What is the benefit of using reference tables in Data Vault 2.0?
To store descriptive information about the data in the satellite tables
Which of the following is NOT a function of a reference table in Data Vault 2.0?
Capturing transactions, messages, and facts
What type of information is typically stored in an effectivity satellite in Data Vault 2.0?
The effective start and end dates of a relationship
How can reference tables improve the performance of queries in Data Vault 2.0?
By reducing the amount of data that needs to be scanned
What is the purpose of a link table in Data Vault 2.0?
To identify the two entities in a relationship
What is the purpose of a satellite table in Data Vault 2.0?
To store descriptive information about the data in the satellite tables
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?
Multi-active satellites
What is the purpose of effectivity satellites in Data Vault 2.0?
To store the effective dates of a relationship between two entities
Which of the following is an example of a situation where multi-active satellites are useful?
Tracking multiple active phone numbers for a customer
What can be tracked using effectivity satellites in Data Vault 2.0?
The history of relationships between entities
Which type of relationship can be tracked using effectivity satellites in Data Vault 2.0?
Organizational relationships
What kind of information can be obtained using effectivity satellites in Data Vault 2.0?
The history of relationships between entities
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?
Multi-active satellites
What is the purpose of effectivity satellites in Data Vault 2.0?
To store the effective dates of a relationship between two entities
Which of the following is an example of a situation where multi-active satellites are useful?
Tracking multiple active phone numbers for a customer
What can be tracked using effectivity satellites in Data Vault 2.0?
The history of relationships between entities
Which type of relationship can be tracked using effectivity satellites in Data Vault 2.0?
Organizational relationships
What kind of information can be obtained using effectivity satellites in Data Vault 2.0?
The history of relationships between entities
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.
True
True or false: Effectivity satellites in Data Vault 2.0 store the effective dates of a relationship between two entities.
True
True or false: Multi-active satellites are used to track when a relationship between two entities begins and ends.
False
True or false: Effectivity satellites are a valuable tool in Data Vault 2.0 for tracking the history of relationships between entities.
True
True or false: Multi-active satellites are a type of special entity in the Valid (Raw) Data Vault 2.0 model.
False
True or false: Effectivity satellites can be used to track the start and end dates of an employee's employment at a company.
True
True or false: Multi-active satellites are typically used to track the start and end dates of a product being sold by a company.
False
True or false: Effectivity satellites can be used to track the start and end dates of a customer using a particular software application.
True
True or false: The Valid (Raw) Data Vault 2.0 model typically involves counting entities in the thousands.
True
True or false: Reference tables in Data Vault 2.0 can improve the performance of queries.
True
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.
True
True or false: Non-historized links in Data Vault 2.0 capture transactions, messages, and facts in the granularity of the source data.
True
True or false: Reference tables in Data Vault 2.0 store descriptive information about the data in the satellite tables.
True
True or false: Reference tables in Data Vault 2.0 make the data more readable and understandable by storing codes and descriptions separately.
True
True or false: Reference tables in Data Vault 2.0 help improve data quality by ensuring consistent and accurate data.
True
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.
True
True or false: Effectivity satellites in Data Vault 2.0 can track relationships between entities with effective start and end dates.
True
True or false: Effectivity satellites in Data Vault 2.0 are used to store descriptive information about the data in the satellite tables.
False
True or false: Effectivity satellites in Data Vault 2.0 can be attached to entities using link tables.
True
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.
True
Test your knowledge of Typical Models Large and learn about the entity types in Valid (Raw) Data Vault
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