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DEA-C02 · Question #1
DEA-C02 Question #1: Real Exam Question with Answer & Explanation
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Performance Optimization
Question
A Data Engineer is investigating a query that is taking a long time to return. The Query Profile shows the following: What step should the Engineer take to increase the query performance?
Options
- AAdd additional virtual warehouses.
- BIncrease the size of the virtual warehouse. Most Voted
- CRewrite the query using Common Table Expressions (CTEs).
- DChange the order of the joins and start with smaller tables first.
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Topics
#Query performance#Virtual warehouses#Performance tuning#Warehouse sizing