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Patricia Selinger Alive

Patricia Selinger
KindPerson
Born—
StatusAlive
Fielddatabases
Sourceen.wikipedia.org ↗

Wrote the System R cost-based query optimizer — the reason SQL can be declarative and still fast.

Invented cost-based query optimization (1979) — the Selinger optimizer in System R — the technique every query planner uses.\n\nThe 'choose the cheapest plan' idea that made SQL fast; IBM Fellow.

Sources

  1. en.wikipedia.org/wiki/Patricia_Selinger