Directions

• Three Directions

  • Functionality and Performance
    • Effective parallelism
  • Query Optimization and Execution
  • Paradigm Shifts in Query Processing

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Query opt.: see table 14, pg. 142

Paradigm shifts:

1st- encapsulating behavior with database data -> use optimizable sublanguage (algebraic bulk types)

2nd- division of physical database design, compile-time & run-time -> use plans that are optimized at compile-time but have a few, specific optimization decisions delayed into run-time.