构造一个触发器audit_log,在向employees_test表中插入一条数据的时候,触发插入相关的数据到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触发器学习: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;