One of the methods to increase query performance in columnar databases is by using _______ encoding techniques.

  • Aggregation
  • Compression
  • Index
  • Sorting
In columnar databases, improving query performance is achieved by using compression techniques. Data compression reduces the amount of storage space required and speeds up data retrieval as less data needs to be read from disk or memory. Columnar databases often employ various compression algorithms to achieve this.
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