Interview question
Explain slowly changing dimensions in a warehouse
Asked in Novartis Data Engineer interviews
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Difficulty
Medium
Round
Technical Round
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Question 1 of 3
Explain slowly changing dimensions in a warehouse
Medium55% Candidate ReportsCODINGNovartisData Engineer
Question
Explain slowly changing dimensions in a warehouse
High-Level Approach
Measure first, index for filter/join columns, consider partitioning and summary tables.