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Questions and Answers
In the context of data vault modeling, what are examples of DV identifiers?
In the context of data vault modeling, what are examples of DV identifiers?
- Surrogate keys, natural keys, candidate keys
- Indexed keys, clustered keys, unique keys
- Hash keys, business keys, sequences (correct)
- Primary keys, foreign keys, composite keys
What are the actual structures used in data vault modeling?
What are the actual structures used in data vault modeling?
- Tables, views, indexes
- Hubs, links, satellites (correct)
- Dimensions, facts, measures
- Entities, relationships, attributes
How are satellites split in data vault modeling?
How are satellites split in data vault modeling?
- According to data types, lengths, and formats
- According to data sources, transformation logic, and storage
- According to data access patterns, indexing, and querying
- According to security, privacy, rate of change (correct)
Is the hash key algorithm MD5 commonly used in data vault modeling?
Is the hash key algorithm MD5 commonly used in data vault modeling?
Are DV identifiers in data vault modeling typically hash keys, business keys, and sequences?
Are DV identifiers in data vault modeling typically hash keys, business keys, and sequences?
Are satellites in data vault modeling split according to security, privacy, and rate of change?
Are satellites in data vault modeling split according to security, privacy, and rate of change?
Match the following target platforms with their respective optimized implementation:
Match the following target platforms with their respective optimized implementation:
Match the following hash key algorithms with their use in data vault modeling:
Match the following hash key algorithms with their use in data vault modeling:
Match the following structures with their use in data vault modeling:
Match the following structures with their use in data vault modeling:
In data vault modeling, which type of identifiers are commonly used?
In data vault modeling, which type of identifiers are commonly used?
What are the actual structures used in data vault modeling?
What are the actual structures used in data vault modeling?
How are satellites split in data vault modeling?
How are satellites split in data vault modeling?
What does a physical data model (PDM) typically include?
What does a physical data model (PDM) typically include?
What is the purpose of creating a physical data model (PDM)?
What is the purpose of creating a physical data model (PDM)?
What is the database schema used for?
What is the database schema used for?
How are physical data models (PDMs) typically created?
How are physical data models (PDMs) typically created?
What do PDMs help organizations to achieve?
What do PDMs help organizations to achieve?
What does the database management system (DBMS) use the database schema for?
What does the database management system (DBMS) use the database schema for?
In the context of data vault modeling, which type of identifiers are commonly used?
In the context of data vault modeling, which type of identifiers are commonly used?
What are the actual structures used in the implementation of data vault modeling?
What are the actual structures used in the implementation of data vault modeling?
How are satellites split in data vault modeling?
How are satellites split in data vault modeling?
Physical data models (PDMs) are typically created before the logical data model is developed.
Physical data models (PDMs) are typically created before the logical data model is developed.
PDMs include information such as table names, column names, primary keys, and foreign keys.
PDMs include information such as table names, column names, primary keys, and foreign keys.
PDMs are important for helping organizations identify and resolve potential performance issues.
PDMs are important for helping organizations identify and resolve potential performance issues.
Database modeling tools cannot help automate the process of creating and maintaining PDMs.
Database modeling tools cannot help automate the process of creating and maintaining PDMs.
The database schema is used by the database management system (DBMS) to store and manage the data.
The database schema is used by the database management system (DBMS) to store and manage the data.
PDMs are used to create the database schema, which is the set of definitions for the database objects.
PDMs are used to create the database schema, which is the set of definitions for the database objects.
Match the following components with their inclusion in a physical data model (PDM):
Match the following components with their inclusion in a physical data model (PDM):
Match the following benefits with the use of physical data models (PDMs):
Match the following benefits with the use of physical data models (PDMs):
Match the following statements with their relevance to physical data models (PDMs):
Match the following statements with their relevance to physical data models (PDMs):
Match the following tools with their usage in creating physical data models (PDMs):
Match the following tools with their usage in creating physical data models (PDMs):
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