You notice that certain queries are running slower over time in your data warehouse. Which strategy might help improve their performance without changing the query itself?
- Adding more data sources
- Creating appropriate indexes
- Increasing the server's CPU
- Redesigning the database schema
One way to enhance the performance of slow-running queries in a data warehouse without modifying the query itself is to create appropriate indexes. Indexes improve query execution by allowing the database system to quickly locate the required data, reducing the need for full table scans.
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