A.1959-12-31B.1960-01-01C.1960-01-02D.1960-01-03
单项选择题下面哪一段代码可以生成下述结果?()
A.data _null_;set work.scores;file ’c:\data\teamdat’dlm=’,’;put name highscore team;run;B.data _null_;set work.scores;file ’c:\data\teamdat’dlm=’’;put name highscore team;run;C.data _null_;set work.scores;file ’c:\data\teamdat’dsd;put name highscore team;run;D.data _null_;set work.scores;file ’c:\data\teamdat’;put name highscore team;run;
单项选择题下述程序运行后,变量顺序是?()data perm.update;infile invent;input IDnum $15-19Item $1-13Instock 21-22BackOrd 24-25;Total=instock+backord;run;
A.IDnum;Item;InStock;BackOrd ;TotalB.Item;IDnum ;InStock ;BackOrd ;TotalC.Total;IDnum;Item ;InStock ;BackOrdD.Total;Item ;IDnum ;InStock ;BackOrd
单项选择题当你运行一段程序后,日志报了三条error,请问自动变量_error_的取值?()
A.0B.1C.2D.3
单项选择题在编译阶段不会发生()。
A.创建数据集描述B.创建第一条观测C.创建PDVD.创建_N__ERROR_自动变量
单项选择题下述程序运行后,新数据集有几条观测?()data combine;set work.clients work.amounts;run
A.4B.6C.10D.5