送分题,Oracle降序和升序

2024-10-15 17:06:11

1、创建测试表,

create table test_name(id varchar2(20),name var艘早祓胂char2(20), birthday date);

送分题,Oracle降序和升序

2、插入测试数据;

insert into test_name values(1, 'aa', to_date('1990-01-02 10:10:50','yyyy-mm-dd hh24:mi:ss'));

insert into test_name values(2, 'bb', to_date('1987-02-02 10:01:25','yyyy-mm-dd hh24:mi:ss'));

insert into test_name values(3, 'cc', to_date('2000-01-25 09:01:25','yyyy-mm-dd hh24:mi:ss'));

commit;

送分题,Oracle降序和升序

3、编写语句,根据birthday字段进行升序;

select * from test_name t order by birthday;

送分题,Oracle降序和升序

4、编写语句,根据birthday字段进行降序;

select * from test_name t order by birthday desc;

送分题,Oracle降序和升序

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