What are the benefits of Datawarehousing? | Informatica Interview Questions

 The implementation of a data warehouse can provide many benefits to an organization. A data warehouse can :
=>    Facilitate integration in an environment characterized by un–integrated applications.
=>    Integrate enterprise data across a variety of functions.
=>    Integrate external as well as internal data.
=>    Support strategic and long–term business planning.
=>    Support day–to–day tactical decisions.
=>    Enable insight into business trends and business opportunities.
=>    Organize and store historical data needed for analysis.
=>    Make available historical data, extending over many years, which enables trend analysis.
=>    Provide more accurate and complete information.
=>    Improve knowledge about the business.
=>    Enable cost–effective decision making.
=>    Enable organizations to understand their customers, and their needs, as well competitors.
=>    Enhance customer service and satisfaction.
=>    Provide competitive advantage.
=>    Provide easy access for end–users.
=>    Provide timely access to corporate information.