Dy02-Data Modeling Quiz

What is a data model?

• A statistical tool used for data analysis

• A formal description of how data may be structured and accessed

• A type of database management system

• A programming language designed for data manipulation

Who typically specifies a data model?

• Software developers

• Data specialists, data librarians, or digital humanities scholars

• Marketing analysts

• Network administrators

What is the main advantage of an explicit data model over an implicit data model according to the image?

• Explicit data models are more difficult to understand.

• Explicit data models create a vague interface between the data and the consumer.

• Explicit data models create a clear and precise interface between the data and the consumer.

• Explicit data models make it harder to consume data due to the use of common vocabulary.

What does the Explicit Data Model provide between a data engineer and an application developer?

• A) A complex set of rules that must be memorized

• B) A clear contract/interface

• C) A shared database system

• D) A single programming language

What is the role of the producer (data engineer) in the Explicit Data Model?

• A) To consume the data model for application development

• B) To shoe-horn the same data into a model that fits the original data

• C) To populate the data model with data

• D) To iterate on the data engineering process

Which of the following is not directly connected to the 'Asset' in the CDF Data Model - Asset Hierarchy diagram?

• Files

• Geospatial

• Labels

• Time series

In the CDF Data Model - Asset Hierarchy, what is directly connected to the 'Asset' at the center of the diagram?

• Sequence

• Data Set

• 3D

• All of the above

In what does a data model play a crucial part?

• Legal documentation

• Building solutions like data science models, mobile and web apps

• Financial accounting

• Human resources management

What is the data model also considered the core of?

• Marketing strategies

• Ontology, knowledge graphs, or industry standard

• Corporate governance

• Supply chain logistics

Which of the following is an example of a source data model in industrial space?

• Asset-centric (utilization option)

• Work orders from SAP

• Data model targeting GHG consumption

• Apps, solutions, use cases, etc.