摘要:
delimiter $create function getname (id int)returns varchar(30)begindeclare name varchar(30);select sname into name from student where sid=id;return na 阅读全文
posted @ 2020-03-05 13:57
萌橙
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摘要:
详解:知乎https://www.zhihu.com/question/20004877 阅读全文
posted @ 2020-03-05 09:51
萌橙
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