Slowly Changing Dimensions In Data warehousing with iPhone 11 Example | SCD 1/2/3
Автор: Ankit Bansal
Загружено: 2022-04-09
Просмотров: 29562
Описание:
In real world dimensions do not remain constant. with the change in Dimension value we need to keep track of all the data in history. SCD type 1/2/3 are different way on maintaining your data warehouse tables . In this video we will understand how the tables looks like in SCD 1/2/3 and when to use what.
Video content:
00:00 : Background
01:45 : SCD 1
04:30 : SCD 2
09:33 : SCD 3
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#sql #dataengineer #scd #datawarehousing
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