Answers for "before insert trigger example"

SQL
0

trigger before insert sql code

DELIMITER $$

CREATE TRIGGER before_workcenters_insert
BEFORE INSERT
ON WorkCenters FOR EACH ROW
BEGIN
    DECLARE rowcount INT;
    
    SELECT COUNT(*) 
    INTO rowcount
    FROM WorkCenterStats;
    
    IF rowcount > 0 THEN
        UPDATE WorkCenterStats
        SET totalCapacity = totalCapacity + new.capacity;
    ELSE
        INSERT INTO WorkCenterStats(totalCapacity)
        VALUES(new.capacity);
    END IF; 

END $$

DELIMITER ;
Posted by: Guest on May-22-2020
0

trigger before insert

INSERT INTO WorkCenters(name, capacity)
VALUES('Mold Machine',100);
Posted by: Guest on May-24-2020

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