isc_tpb_concurrency

Go Up to Specifying Isolation Level

By default, a transaction sees a stable view of the database as of the instant it starts and can share read/write access to tables with simultaneous transactions. This mode is known as “concurrency” because it allows concurrent transactions to share data. The following declaration creates a TPB specifying an isolation level of isc_tpb_concurrency:

static char isc_tpb[] = {isc_tpb_version3, isc_tpb_write, isc_tpb_concurrency};