Plan Execution

• Execution granularity & parallelism:

  • Pipelining vs. blocking
  • Threads
  • Materialization

• Execution flow:

  • Iterator/top-down
  • Data-driven/bottom-up

SelectClient = “Atkins”

JoinPressRel.Symbol = Clients.Symbol

Scan

PressRel

Scan

Clients

JoinSymbol = Northwest.CoSymbol

ProjectCoSymbol

ScanNorthwest

Previous slide

Next slide

Back to first slide

View graphic version