[03/Charles/04]

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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?

Tables, views, indexes

Hubs, links, satellites (correct)

Dimensions, facts, measures

Entities, relationships, attributes

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?

True Signup and view all the answers

Are DV identifiers in data vault modeling typically hash keys, business keys, and sequences?

True Signup and view all the answers

Are satellites in data vault modeling split according to security, privacy, and rate of change?

True Signup and view all the answers

Match the following target platforms with their respective optimized implementation:

Snowflake = Actual (optimized) implementation Synapse = Actual (optimized) implementation Oracle = Actual (optimized) implementation BigQuery = Actual (optimized) implementation Signup and view all the answers

Match the following hash key algorithms with their use in data vault modeling:

MD5 = Commonly used in data vault modeling SHA-1 = Commonly used in data vault modeling Signup and view all the answers

Match the following structures with their use in data vault modeling:

Hubs, links, satellites = Used in data vault modeling Common attributes (record source, load date, etc.) = Used in data vault modeling Signup and view all the answers

In data vault modeling, which type of identifiers are commonly used?

Hash keys, business keys, sequences Signup and view all the answers

What are the actual structures used in data vault modeling?

Hubs, links, satellites Signup and view all the answers

How are satellites split in data vault modeling?

According to security, privacy, rate of change Signup and view all the answers

What does a physical data model (PDM) typically include?

Table names, column names, primary keys, and foreign keys Signup and view all the answers

What is the purpose of creating a physical data model (PDM)?

Define the physical structure of the database and identify potential performance issues Signup and view all the answers

What is the database schema used for?

Store and manage the data using the database management system (DBMS) Signup and view all the answers

How are physical data models (PDMs) typically created?

Using database modeling tools to automate the process Signup and view all the answers

What do PDMs help organizations to achieve?

Identify and resolve potential performance issues Signup and view all the answers

What does the database management system (DBMS) use the database schema for?

Store and manage the data Signup and view all the answers

In the context of data vault modeling, which type of identifiers are commonly used?

Hash keys, business keys, sequences Signup and view all the answers

What are the actual structures used in the implementation of data vault modeling?

Hubs, links, satellites Signup and view all the answers

How are satellites split in data vault modeling?

According to security, privacy, rate of change Signup and view all the answers

Physical data models (PDMs) are typically created before the logical data model is developed.

False Signup and view all the answers

PDMs include information such as table names, column names, primary keys, and foreign keys.

True Signup and view all the answers

PDMs are important for helping organizations identify and resolve potential performance issues.

True Signup and view all the answers

Database modeling tools cannot help automate the process of creating and maintaining PDMs.

False Signup and view all the answers

The database schema is used by the database management system (DBMS) to store and manage the data.

True Signup and view all the answers

PDMs are used to create the database schema, which is the set of definitions for the database objects.

True Signup and view all the answers

Match the following components with their inclusion in a physical data model (PDM):

Table names and structures = Included in PDM Primary keys and foreign keys = Included in PDM Constraints and indexes = Included in PDM Data vault modeling = Not included in PDM Signup and view all the answers

Match the following benefits with the use of physical data models (PDMs):

Defining the physical structure of the database = Benefit of using PDMs Identifying and resolving potential performance issues = Benefit of using PDMs Automating the process of creating and maintaining PDMs = Benefit of using PDMs Styling web pages = Not a benefit of using PDMs Signup and view all the answers

Match the following statements with their relevance to physical data models (PDMs):

PDMs are used to create the database schema = Relevant to PDMs PDMs are typically created before the logical data model = Relevant to PDMs PDMs are important for database security = Not relevant to PDMs PDMs are used for client-side scripting = Not relevant to PDMs Signup and view all the answers

Match the following tools with their usage in creating physical data models (PDMs):

Database modeling tools = Used for creating PDMs Web development tools = Not used for creating PDMs Data analysis tools = Not used for creating PDMs Database management system (DBMS) = Not used for creating PDMs Signup and view all the answers

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Questions and Answers

In the context of data vault modeling, what are examples of DV identifiers?

What are the actual structures used in data vault modeling?

How are satellites split 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 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 hash key algorithms 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?

What are the actual structures used in data vault modeling?

How are satellites split in data vault modeling?

What does a physical data model (PDM) typically include?

What is the purpose of creating a physical data model (PDM)?

What is the database schema used for?

How are physical data models (PDMs) typically created?

What do PDMs help organizations to achieve?

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?

What are the actual structures used in the implementation of 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.

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.

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.

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 benefits with the use of 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):

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