AGE INT NOT NULL,
ADDRESS CHAR(50),
SALARY REAL
);
CREATE TABLE audit(
EMP_no INT NOT NULL,
NAME TEXT NOT NULL
);
create trigger audit_log
after insert on employees_test
for each row
begin
insert into audit values(new.id,new.name);
end
使用触发器时候,后台会往employees_test插入一条数据:
INSERT INTO employees_test (ID,NAME,AGE,ADDRESS,SALARY)VALUES (1, ‘Paul’, 32, ‘California’, 20000.00 );
然后从audit里面使用查询语句:
select * from audit;