The Data Warehouse/Operational Environment Interface
Abstract
Data architecture began with simple storage devices. But soon, the need to store lots of data and to access the data quickly caused these early devices to disappear. In its place came disk storage. With disk storage, data could be accessed directly. But the need for managing volumes of data surpassed that of disk storage. One day, there appeared big data. And with big data came the ability to store effectively unlimited amounts of data. But as big data grew, the older day-to-day systems did not go away. There began to be a need for a rational way to interface legacy systems to big data.
Keywords
Storage device; Paper tape; Punched cards; Disk storage direct access ...
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