An in-memory data warehouse stores the active dataset in _______ instead of on disk, leading to faster query performance.

  • Cache
  • Cloud Storage
  • Hard Drives
  • RAM
An in-memory data warehouse stores the active dataset in RAM (Random Access Memory) instead of on disk. This design choice significantly accelerates query performance since RAM access is much faster than disk access. As a result, queries can be processed more rapidly, leading to improved data retrieval and analytics capabilities.
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