SQL Guide : solidDB® SQL statements : WAIT EVENT
  
WAIT EVENT
wait_event_statement ::= WAIT EVENT
[event_specification ...] END WAIT
event_specification ::=
    WHEN event_name [(parameters)] BEGIN statements END EVENT
The WAIT EVENT statement makes procedures to wait for an event to happen. You can use WAIT EVENT with both system-defined events and user-defined events.
For more details, see wait_event_statement.
Related reference
wait_event_statement
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See also
solidDB® SQL statements