pool of data (database) to support decision making  current and historical data of potential interest to managers  -subject oriented -consistent formatting -time-series -end users don't update (nonvolatile)
pool of data (database) to support decision making  current and historical data of potential interest to managers  -subject oriented -consistent formatting -time-series -end users don't update (nonvolatile)
subject oriented, integrated, time variant, non update-able collection of data used in support of management decision making processes