mysql学习
摘要:1、查询"01"课程比"02"课程成绩高的学生的信息及课程分数 SELECT t1.s_name, t2.s_score AS 01_score, t3.s_score AS 02_score FROM Student t1 JOIN Score t2 ON t1.s_id = t2.s_id AN
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posted @ 2018-10-27 17:30
posted @ 2018-10-27 17:30
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日 | 一 | 二 | 三 | 四 | 五 | 六 | |||
---|---|---|---|---|---|---|---|---|---|
23 | 24 | 25 | 26 | 27 | 28 | 1 | |||
2 | 3 | 4 | 5 | 6 | 7 | 8 | |||
9 | 10 | 11 | 12 | 13 | 14 | 15 | |||
16 | 17 | 18 | 19 | 20 | 21 | 22 | |||
23 | 24 | 25 | 26 | 27 | 28 | 29 | |||
30 | 31 | 1 | 2 | 3 | 4 | 5 |
参数传递中的变量,相当于新建了一个对象,如果是引用类型,那么指向的是传过来的数据对象
scf.server.vm.all
这个参数好眼熟😂
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