what is the primary purpose of a data warehouse? to disaggregate information throughout an organization into a single repository in such a way that employees can make decisions and undertake business analysis activities. to aggregate information throughout an organization into multiple repositories in such a way that employees can make decisions and undertake business analysis activities. to aggregate information throughout an organization into a single repository in such a way that employees can make decisions and undertake business analysis activities. to disaggregate information throughout an organization into multiple repositories in such a way that employees can make decisions and undertake business analysis activities.