Mysql(版本8.0.25)中表student_table(id,name,birth,sex),插入如下记录: (‘1004’ , ‘张三’ ,’2000-08-06′ , ‘男’); (‘1009’ , ‘李四’, ‘2000-01-01’, ‘男’); (‘1010’ , ‘李四’, ‘2001-01-01’, ‘男’); (‘1006’ , ‘王五’, ‘2000-08-06’ , ‘女’); (‘1008’ , ‘张三’, ‘2002-12-01’, ‘女’); (‘1012’ , ‘张三’, ‘2001-12-01’, ‘女’); (‘1011’ , ‘李四’, ‘2002-08-06’ , ‘女’); 执行 select t1.*,t2.* from ( select * from student_table where sex = ‘男’ ) t1  full outer join  (select * from student_table where sex = ‘女’)t2  on  t1.name = t2.name ;  的结果行数是()?-笔试面试资料

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提供答案分析,通过本文《Mysql(版本8.0.25)中表student_table(id,name,birth,sex),插入如下记录:
(‘1004’ , ‘张三’ ,’2000-08-06′ , ‘男’);
(‘1009’ , ‘李四’, ‘2000-01-01’, ‘男’);
(‘1010’ , ‘李四’, ‘2001-01-01’, ‘男’);
(‘1006’ , ‘王五’, ‘2000-08-06’ , ‘女’);
(‘1008’ , ‘张三’, ‘2002-12-01’, ‘女’);
(‘1012’ , ‘张三’, ‘2001-12-01’, ‘女’);
(‘1011’ , ‘李四’, ‘2002-08-06’ , ‘女’);
执行
select t1.*,t2.*
from (
select * from student_table where sex = ‘男’ ) t1 
full outer join 
(select * from student_table where sex = ‘女’)t2 
on  t1.name = t2.name ; 
的结果行数是()?-笔试面试资料》可以理解其中的代码原理,这是一篇很好的求职学习资料
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答案:
Mysql(版本8.0.25)中表student_table(id,name,birth,sex),插入如下记录:
(‘1004’ , ‘张三’ ,’2000-08-06′ , ‘男’);
(‘1009’ , ‘李四’, ‘2000-01-01’, ‘男’);
(‘1010’ , ‘李四’, ‘2001-01-01’, ‘男’);
(‘1006’ , ‘王五’, ‘2000-08-06’ , ‘女’);
(‘1008’ , ‘张三’, ‘2002-12-01’, ‘女’);
(‘1012’ , ‘张三’, ‘2001-12-01’, ‘女’);
(‘1011’ , ‘李四’, ‘2002-08-06’ , ‘女’);
执行
select t1.*,t2.*
from (
select * from student_table where sex = ‘男’ ) t1 
full outer join 
(select * from student_table where sex = ‘女’)t2 
on  t1.name = t2.name ; 
的结果行数是()?

Mysql(版本8.0.25)中表student_table(id,name,birth,sex),插入如下记录:   ('1004' , '张三' ,'2000-08-06' , '男');   ('1009' , '李四', '2000-01-01', '男');   ('1010' , '李四', '2001-01-01', '男');   ('1006' , '王五', '2000-08-06' , '女');   ('1008' , '张三', '2002-12-01', '女');   ('1012' , '张三', '2001-12-01', '女');   ('1011' , '李四', '2002-08-06' , '女');   执行   select t1.*,t2.*   from (   select * from student_table where sex = '男' ) t1    full outer join    (select * from student_table where sex = '女')t2    on  t1.name = t2.name ;    的结果行数是()? 区块链毕设学生262792174号
张三男 对应两个 女,两个李四男 对应两个女,再加一个王五。应该是5吧。难道是…t1.*,t2.*不支持?
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qklbishe.com区块链毕设代做网专注|以太坊fabric-计算机|java|毕业设计|代做平台 » Mysql(版本8.0.25)中表student_table(id,name,birth,sex),插入如下记录: (‘1004’ , ‘张三’ ,’2000-08-06′ , ‘男’); (‘1009’ , ‘李四’, ‘2000-01-01’, ‘男’); (‘1010’ , ‘李四’, ‘2001-01-01’, ‘男’); (‘1006’ , ‘王五’, ‘2000-08-06’ , ‘女’); (‘1008’ , ‘张三’, ‘2002-12-01’, ‘女’); (‘1012’ , ‘张三’, ‘2001-12-01’, ‘女’); (‘1011’ , ‘李四’, ‘2002-08-06’ , ‘女’); 执行 select t1.*,t2.* from ( select * from student_table where sex = ‘男’ ) t1  full outer join  (select * from student_table where sex = ‘女’)t2  on  t1.name = t2.name ;  的结果行数是()?-笔试面试资料

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