Description

 A stream warehouse is a Data Stream Management System (DSMS) that stores a very long history, e.g. years or decades or equivalently a data warehouse that is continuously loaded.  This is the combining features of data stream system and traditional data warehouse.  So, in each time the update process to be done in DWH (data warehouse).  This is the main problem of scheduling. To overcome this problem to propose update scheduling technique is used.  This is used to handle the multiple problems of stream warehouse.  Particularly the staleness problem to be minimized with the help of update scheduling.  This is efficiently used to update the jobs by different arrival times.