Q1:student表,name重复,去重查询
select distinct name from student
group by需要配合聚合函数(avg, min, max, count, sum)使用
SELECT id,`name` FROM student WHERE id IN (SELECT MAX(ID) FROM student GROUP BY name);
Q2:django中间件有哪些
Q3:django流程, django web架构
Q4:
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