xamppでトリガーを作成します。
CREATE TRIGGER testref BEFORE INSERT ON test1
FOR EACH ROW
BEGIN
INSERT INTO test2 SET a2 = NEW.a1;
DELETE FROM test3 WHERE a3 = NEW.a1;
UPDATE test4 SET b4 = b4 + 1 WHERE a4 = NEW.a1;
END;
しかし、私はエラーがあります:
CREATE TRIGGER testref BEFORE INSERT ON test1
FOR EACH
ROW
BEGIN
INSERT INTO test2
SET a2 = NEW.a1;
MySQL said: Documentation
#1064 - You have an error in your SQL syntax;
check the manual that corresponds to your MySQL server version
for the right syntax to use near '' at line 4
前に、私は4つのテーブルを作成します:
CREATE TABLE test1(a1 INT);
CREATE TABLE test2(a2 INT);
CREATE TABLE test3(a3 INT NOT NULL AUTO_INCREMENT PRIMARY KEY);
CREATE TABLE test4(
a4 INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
b4 INT DEFAULT 0
);
私を助けてください。本当にありがとうございました!