What is an advantage of using a Data Warehouse?

Using a Data Warehouse offers several advantages, and one of the most significant benefits is improved data consistency and decision-making support. This advantage stems from the fact that a Data Warehouse consolidates data from various sources into a single repository. By doing so, it ensures that data is cleaned, transformed, and standardized, which leads to uniformity across the organization.

When data is consistent and reliable, it becomes much easier for decision-makers to analyze information and derive insights. This consistency allows organizations to produce accurate reports and analytics, which are crucial for timely and informed decisions. In addition, a Data Warehouse can house historical data, enabling trend analysis and better forecasting.

The other options, while they may reflect certain aspects of data management, do not capture the core essence of what a Data Warehouse fundamentally provides. Decreased data storage costs, less complexity in data management, and faster data integration times are considerations that can vary depending on the specific implementation and infrastructure in place. However, the primary and most universally recognized advantage of a Data Warehouse is its role in enhancing data consistency and supporting decision-making processes effectively.