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DEA-C02 · Question #6
DEA-C02 Question #6: Real Exam Question with Answer & Explanation
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Performance Optimization
Question
A large table with 200 columns contains two years of historical data. When queried, the table is filtered on a single day. Below is the Query Profile: Using a size 2XL virtual warehouse, this query took over an hour to complete. What will improve the query performance the MOST?
Options
- AIncrease the size of the virtual warehouse.
- BIncrease the number of clusters in the virtual warehouse.
- CImplement the search optimization service on the table.
- DAdd a date column as a cluster key on the table.
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Topics
#Snowflake Performance#Table Clustering#Micro-partition Pruning#Query Optimization