Scenario: Your organization is experiencing performance issues with their existing data warehouse. As a data engineer, what strategies would you implement to optimize the data warehouse performance?
- Create indexes on frequently queried columns
- Implement data compression
- Optimize query execution plans
- Partition large tables
To optimize data warehouse performance, optimizing query execution plans is crucial. This involves analyzing and fine-tuning the SQL queries to utilize indexing efficiently, minimize data movement, and reduce resource contention. By optimizing query plans, the data retrieval process becomes more efficient, leading to improved overall performance and responsiveness of the data warehouse system.
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