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Updated On 02 Feb, 19
Data Warehousing Tutorial for Beginners - Why Data Warehouse | Data Warehouse Concept | Data Warehouse Tutorial - What is Extract Transform Load (ETL) - Introduction to Data Warehouse - Demo on Data Warehousing - Data Warehouse Fact table - Types of Facts in Data Warehousing - Understanding Dimension Table in Data Warehousing | Data Warehouse Tools - Dimension Table - Types of Dimension in Data Warehousing - Understanding Data Mart - Understanding Anomaly in Datawarehousing - Data Warehouse Architecture - Different Types of Constraints in Datawarehousing - Slowly Changing Dimension - Understanding Schemas in Datawarehousing - Data Modeling - What are Attributes | Attributes and Entities - ETL Tutorial for Beginners | ETL Concepts | ETL Data Warehouse - What is Job Scheduling - Data Quality Concepts
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Watch the sample class recoding httpwww.edureka.codatawarehousing?utm_source=youtube&utm_medium=referral&utm_campaign=slowly-changing-dimension
Slowly changing dimensions (SCD) determine how the historical changes in the dimension tables are handled. Implementing the SCD mechanism enables users to know to which category an item belonged to in any given date.
Topics covered in this video are
1. SCD type 1 - Overwrite the old value.
2. SCD type 2 - Add a new Row.
3. SCD type 3 - Add a new Column.
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Sep 12, 2018
Excellent course helped me understand topic that i couldn't while attendinfg my college.
March 29, 2019
Great course. Thank you very much.