A data mart is similar to a data warehouse, but it holds data only for a specific department or line of business, such as sales, finance, or human resources. A data warehouse can feed data to a data mart, or a data mart can feed a data warehouse.
Data marts might exist for the major lines of business, but other marts could be designed for specific products. Examples include seasonal products, lawn and garden, or toys.
C Cluster is the collection of data objects that are similar to one another within the same group.
Three basic types of data marts are dependent, independent, and hybrid.
A data mart is a simple form of a data warehouse that is focused on a single subject or line of business, such as sales, finance, or marketing. Given their focus, data marts draw data from fewer sources than data warehouses.
Answer: A data mart is a subgroup of the data warehouse.
Explanation: In programming, a class is a collection of similar objects.
Explanation : : Cluster is the collection of data objects that are similar to one another within the same group.
Explanation: The Mata Data refers to the type of data that describes the other data or information.
data mart. a subset of a data warehouse in which only a focused portion of the data warehouse information is kept. data warehouse. a logical collection of information - gathered from many different operational databases - that supports business analysis activities and decision-making tasks.
Size:a data mart is typically less than 100 GB; a data warehouse is typically larger than 100 GB and often a terabyte or more. > Range: a data mart is limited to a single focus for one line of business; a data warehouse is typically enterprise-wide and ranges across multiple areas.
Which of the following correctly describes a type of data mart? Dependent data marts extract data from a data warehouse when it is needed.