Slowly Changing Dimension - SCD
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What is Slowly Changing Dimension - SCD?
Slowly Changing Dimensions (SCDs) are a data warehousing technique used to track changes in dimension data over time. Instead of simply overwriting old data with new data, SCDs allow you to maintain historical records of how dimension attributes have changed. This is crucial for accurate analysis of historical trends and business performance.
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Slowly Changing Dimension - SCD: common questions
Can I learn Slowly Changing Dimension - SCD in Hindi?
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Is this Slowly Changing Dimension - SCD tutorial for beginners?
It is lesson 34 of 186 in the free Data Engineer roadmap, in stage 11, Database Fundamentals. If you are new to Data Engineer, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.