As per my knowledge a scheduled job in BI is to a schedule to hook up to various databases for pulling the data to BI reservoir to manage BI reports. So the moment the turn of a schedule comes, it hooks on to a particular database and pulls relevant desired data from its various tables. This particular database is engaged as long as that data is being pulled. The moment that job is completed, the database is released, so the activity that was a scheduled job has been registered in BI scheduler as released job.
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