[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fVv57HIakCMslQq8C1Akw5JieF5wf4RZxGu3jc9fhUDc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-05-30 13:55:06",36571299,[8,9,10,11],"添加前缀","添加后缀","首字母大写","修整",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"86a795fcee6ad5a85defcd0309be2207","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e2d5ad53be3d12aacc56ee37db405b7.jpg","大数据财务分析","b836e562710846de8146a68ec42feb3a","第4章测试题","某数据表中,"编号"字段中数据为纯数值,现将所有纯数值编号前全部添加"No"字符(比如:将编号1变为No1),下列正确的数据格式转换操作是( )",[21,32,41,50,59,62,71,80,89,96],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],36571295,[25,26,27,28],"逗号","分号","句号","冒号","CSV文件,主要是用( )作为分隔符的文件","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],36571296,[36,37,38,39],"Power Pivot","Power Query","Power View","Power Map","Power BI Desktop进行数据整理时,需要打开( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],36571297,[45,46,47,48],"C","M","python","DAX","Power Query中通过鼠标进行的每一步操作,都会自动( )语言代码",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],36571298,[54,55,56,57],"删除最前面几行","删除最后几行","删除空行","删除错误","某数据表中,出现了如下数据行,将红框内的数据行快速删除的操作是( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe0766de46639f7a864bd80963bce7e6a.png\">",{"answer":60,"createTime":5,"id":6,"options":61,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],36571300,[66,67,68,69],"cd","bcd","def","de","某数据表中的数据为"abcdefg",现要从该字符串中提取数据,起始索引3,字符数2,则提取的字符串为( )",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],36571301,[75,76,77,78],"行变列","列变行","二维表和一维表转换","首行和尾行互换","数据的透视和逆透视是Power Query中非常重要的功能,可以实现( )",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],36571302,[84,85,86,87],"分类汇总","分组查询","求和","排序","分组依据类似于Excel中功能( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":95,"source":30,"type":31},[],36571303,[84,85,93,94],"分类求和","分组依据","Power BI中,下列( )操作可以实现从左图到右图的功能.D \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F71842429d53c46c9196b078327d4b270.png\"> \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff81adba83e5d35c896be7fbff051be22.png\">",{"answer":97,"createTime":5,"id":98,"options":99,"question":104,"source":30,"type":31},[],36571304,[100,101,102,103],"3","4","5","6","合并查询时,表的链接方式有( )种"]