Databricks Certified Data Engineer - Professional
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When optimizing a Databricks Lakehouse for BI tools, which data modeling and performance optimization techniques would you employ to ensure the BI reporting is both responsive and scalable?
A
Partitioning and clustering tables by frequently queried dimensions to enhance scan efficiency
B
Employing materialized views to pre-calculate and save complex aggregations
C
Adopting incremental load strategies in Delta tables to reduce data movement and refresh durations
D
Flattening data into broad tables to decrease the necessity for real-time joins and aggregations