()SELECT()SNAME,BIRTHDAY()FROM()S()WHERE()SNAME()LIKE()`()李%`;()11.()把低于所有课程总平均成绩的女同学成绩提高()5%()。()UPDATE()SC()SET()GRADE=()GRADE*1.05()WHERE()GRADE=90()ORDER()BY()AVG(GRADE)()DESC;() 反馈 收藏 ...
SELECTSNAME,GRADEFROMS,C,SCWHERES.SNO=SC.SNOANDC.CNO=SC.CNOANDCNAME=’面向对象程序设计’;10.检索姓“李”的所有学生的姓名和出生日期。SELECTSNAME,BIRTHDAYFROMSWHERESNAMELIKE`李%`;11.把低于所有课程总平均成绩的女同学成绩提高5%。UPDATESCSETGRADE=GRADE*1.05WHEREGRADE=90ORDERBYAVG(GRADE)DESC; 反馈 ...
birthday DATE NOT NULL, phone_number CHAR(11) NOT NULL, country varchar(100) NOT NULL, PRIMARY KEY (id), KEY idx_name_birthday_phone_number (name(10), birthday, phone_number), KEY idx_name (name(10)) );
如果上述函数不满足您的需求,MaxCompute还支持自定义函数。有关自定义函数的详细信息,请参见MaxCompute UDF概述。 MaxCompute内建函数常见错误码和常见问题,详情请参见: 内建函数常见错误码 内建函数常见问题 上一篇:FROM_UTC_TIMESTAMP下一篇:GET_IDCARD_BIRTHDAY ...
' If the specified date is a birthday, the function returns the number of ' months since the last birthday. ' ' INPUT PARAMETERS: ' StartDate: The beginning date (for example, a birthday). ' ' RETURN ' Months since the last birthday. '*** Function AgeMonths(ByVal StartDate As String...
For your sample, this function will return result '53:11:30', different to your wish. That's think this way, we usually treat same day as a whole month(to your method, it is the day before birthday). For example, when birthday is1970-09-18, we say 2024-09-17 is 54 years old,...
如果表已经存在，用如下方法设置默认值。1 alter table 表名 modify 字段名 default 默认值;如test表中设置age字段为30，可用如下语句：1 alter table test modify age default 30;测试：添加一条记录：1 insert into test (name) values ('du小智');结果：这里可以看到du小智的默认age则为30。
RETURNS int NOT DETERMINISTIC READS SQL DATA SQL SECURITY DEFINER begin declare age1 int; declare age2 int; select year(birthday) into age1 from students where s_name=name1; select year(birthday) into age2 from students where s_name=name2; ...
关系模式Personal描述了职员的基本信息,属性pid, name, sex, photo, birthday, age, salary、dept、senior分别表示个人编号、姓名、性别、照片、出生日期、年龄、薪酬、部门、上司,其中照片字段、薪酬字段和上司字段允许为空,其他字段全部为非空,上司对应本表中的另一个人编号,其中性别限定只能输入’男’或’女’ 关...
I've tried using the following JSON formula to calculate the age according to the date of birth column but ever since I tried adding the formula to my pre-existing list, the age displays as 53. How d... MelauriePellandNo, look closely at the URLs. ...