構造一個觸發器audit_log,在向employees_test表中插入一條數據的時候,觸發插入相關的數據到audit中。
CREATE TABLE employees_test(
ID INT PRIMARY KEY NOT NULL,
NAME TEXT NOT NULL,
AGE INT NOT NULL,
ADDRESS CHAR(50),
SALARY REAL
);
CREATE TABLE audit(
EMP_no INT NOT NULL,
NAME TEXT NOT NULL
);
SQLite觸發器學習:http://www.runoob.com/sqlite/sqlite-trigger.html
create trigger audit_log after insert on employees_test
begin
insert into audit values(NEW.ID,NEW.NAME);
end;