Realistic development, project business logic table 02-basic query

-- 1 业务表  额度表测试 
select  * from limit;


-- 添加插入数据  
-- 1 生效日 字段  EFFECTIVEDATE 
insert into limit(id,LIMITCODE,EFFECTIVEDATE,EXPIRYDATE,Creator)values(3,3,'2022-01-02 11:11','2022-03-31 11:11','张三');

insert into limit(id,LIMITCODE,EFFECTIVEDATE,EXPIRYDATE,Creator)values(4,4,'2022-01-02 12:11','2022-03-31 13:11','张三');
--insert into limit(id,LIMITCODE,EFFECTIVEDATE,EXPIRYDATE,Creator)values(5,5,'2022-01-05 13:11','2022-04-31 10:11','张三');
insert into limit(id,LIMITCODE,EFFECTIVEDATE,EXPIRYDATE,Creator)values(9,6,'2022-02-02 14:11','2022-05-31 09:11','张三');
insert into limit(id,LIMITCODE,EFFECTIVEDATE,EXPIRYDATE,Creator)values(7,7,'2022-03-02 15:11','2022-06-31 08:11','张三');
insert into limit(id,LIMITCODE,EFFECTIVEDATE,EXPIRYDATE,Creator)values(8,8,'2022-04-02 16:11','2022-07-31 07:11','张三');


insert into limit(id,LIMITCO