Data Lake Architecture: Designing the Data Lake and Avoiding the Garbage Dump by Bill Inmon

Author:Bill Inmon [Inmon, Bill]
Language: eng
Format: azw3
Publisher: Technics Publications
Published: 2016-03-30T16:00:00+00:00

Fig 7.8 Different types of data in the application data pond

Subsets of Data in the Application Data Pond

On occasion, the analyst may wish to select data from application data that have already been integrated. This too is a possibility. Fig 7.9 shows that a subset of data from an application can be selected and stored in the application data pond.

Fig 7.9 Choosing an application subset to store in the application data pond

As an example of data that can be selected, suppose the application database contains all telephone calls made in the month of May. The analyst may wish to select all phone calls greater than three minutes made on May 15. In doing so, the analyst greatly narrows down the work the system has to do in order to find the data they are looking for.

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