根据下面所给的AAA数据库,写出下列每条查询语句的执行结果,或者写出下列每条语句或程序段的功能。 假设存在名为AAA的数据库,包括Students(学号char(8),姓名varchar(8),年龄int,专业varchar(20),入学日期DateTime)和Score(学号char(8),课程名varchar(10),成绩numeric(5,2))两张表。
select month(入学日期) as 入学月份,count(*) as 人数 from students group by month(入学日期)
患职业厌倦症的人有离职倾向。()
网上培训的特点是() ["低成本、低回报","低成本、高回报","高成本、低回报","高成本、高回报"]
下列犯罪中,主观方面只能由故意构成的是() ["伪造货币罪","出售、购买、运输假币罪","变造货币罪","持有、使用假币罪"]
You are required to launch the App.exe process, and specify sample.txt as the input file. App.exe will then use the contents of sample.txt to establish the environment's current settings. You need to ensure that the code you use meets these requirements. What should you do?() ["

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人口内在自然增长率与实际的自然增长率的区别。