Which feature of Data Warehouse Appliances helps in speeding up query performances by reducing I/O operations?
- Data Compression
- Data Replication
- In-Memory Processing
- Parallel Query Execution
In-Memory Processing is a feature of Data Warehouse Appliances that speeds up query performance by reducing I/O operations. This technique involves storing data in memory for faster access, bypassing the need to read data from disk, which is a time-consuming process. It significantly improves query response times.
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