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Data Warehouse Data Consistency Quiz

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Questions and Answers

What is metadata in the context of a data warehouse?

The actual data stored in the warehouse

Data refreshed from the warehouse

Data used to represent other data (correct)

Data extracted from operational databases

Which term refers to the data ownership information, business definition, and changing policies in a data warehouse system?

Metadata repository

Data lineage

Business metadata (correct)

Operational metadata

What does currency of data refer to in a data warehouse system?

The source of the data

The status of the data (active, archived, purged) (correct)

The physical form of the data

The age of the data

Which task is NOT part of data loading in a data warehouse system?

Updating from data sources Signup and view all the answers

In a data warehouse system, what does metadata act as?

A summary of data contents Signup and view all the answers

What does operational metadata include in a metadata repository?

Data extraction and refresh rules Signup and view all the answers

Which term describes the history of data migrated and transformations applied in a data warehouse system?

Data lineage Signup and view all the answers

What is the function of a metadata repository in a data warehouse system?

Serving as a roadmap to locate warehouse objects Signup and view all the answers

When referring to 'data partitioning' in a data warehouse system, what does it involve?

Organizing data into distinct sections based on criteria Signup and view all the answers

Which term describes updating data from external sources to a data warehouse system?

Data refreshing Signup and view all the answers