In the context of data warehouse performance tuning, what does "query optimization" typically refer to?
- Enhancing database security
- Improving the efficiency of SQL queries
- Reducing the number of queries
- Streamlining data loading processes
Query optimization in data warehouse performance tuning refers to the process of improving the efficiency of SQL queries. This includes techniques like indexing, query rewriting, and choosing the appropriate execution plans to make queries run faster and consume fewer resources. It plays a crucial role in ensuring the data warehouse operates smoothly and delivers timely insights.
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