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Two bookings competing for the last place

Two booking requests can each read one place available before either updates the record. Making each request all-or-nothing does not by itself resolve every interaction between them. Database isolation concerns how simultaneous work fits together, and a rejected request may need to recheck before trying again.

8–10 min

Questions you could explore

  • Why is one complete transaction different from a safe combination of concurrent transactions?
  • What must a database protect when both requests try to claim the same remaining place?

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Two bookings competing for the last place | Speech Topic | speaking.app