Multiple choice technology databases

Reconciled data is which of the following?

  1. Data stored in the various operational systems throughout the organization.

  2. Current data intended to be the single source for all decision support systems.

  3. Data stored in one operational system in the organization.

  4. Data that has been selected and formatted for end-user support applications.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Reconciled data in a data warehouse context is the atomic layer that serves as the single, authoritative source for all decision support systems. It has been cleansed and integrated from source systems. Option A describes source data, C is too narrow (one system), and D describes data marts or departmental data, not reconciled data.