SAP HANA

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Motivation

  • Earlier: CPU, Memory expensive
  • New DB needs to take advantage of multi-core, large RAM
  • and Columnar technologies : Transactional vs Analytical
  • Better for retrieval performance (analytical workloads)

Technology

  • Multi-core parallelism : massively parallel. Every operator is in parallel.
  • Data locality in memory
  • Columnar structures