Trigger input circuit schematic

Industrial Router Crystal 3.2*2.5mm 3225 26M (26.000MHZ) 12PF 10PPM 20PPM 30PPM

Photocoupler

A trigger is a special stored procedure whose execution is not called by the program, nor is it started manually, but is triggered by an event, such as when a table is manipulated (inSERt, delete, update). carried out. Triggers are often used to enforce data integrity constraints and business rules. Triggers can be found in the DBA_TRIGGERS , USER_TRIGGERS data dictionary.