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单选题 ETL是大数据处理数据的一种操作流程,T表示()
学科：数据分析基础
时间：2024-11-19 05:23:05
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题目1单选题
合并文件夹下的多个Excel,添加自定义列涉及到的公式如何书写A. =excel.workbook([Content],true)B. =Excel.Workbook([Content],true)C. =Excel.Workbook(Content,true)D. =Excel.Workbook([content],true)
题目2单选题
ETL是大数据处理数据的一种操作流程,T表示()A. 数据获取B. 数据抽取C. 数据转换D. 数据加载
题目3单选题
下面哪张表是一维表A. <img src="https://tihai-oss-cloud.itihey.com/img/d2695f8ed1c7fcb6434ca1194f21abc1.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/01a0f5a5edde096e62d648268d4bff04.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/06623d91a717ddc044055a1354e85fdf.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/ac81dc98939fb49b8a408176cbbca2a5.png">
题目4单选题
下面哪个表是二维表A. <img src="https://tihai-oss-cloud.itihey.com/img/dfde9b72fcf6963648b91cfe3b586f2c.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/0698297b37bf5f86b7c0255c9ebeb610.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/308933ccdc3b5cc8a4a2d4614509d17c.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/e4f3ecf8fdfe842e5703ac22ebddc761.png">
题目5单选题
Even though very expensive, this kind of engine is highly efficient and needs servicing infrequentlyA. constantlyB. instantlyC. rarelyD. suddenly
题目6单选题
The woman had been dead for about 3 days and her face was not recognizableA. that can be seenB. that can be recoveredC. that can be recognizedD. that can be covered
题目7单选题
They promised to create more jobs for unemployed young peopleA. not being usedB. being out of workC. poorD. useful
题目8单选题
The old house is enclosed with treesA. protectedB. preventedC. coveredD. surrounded
题目9单选题
We were saddened to hear of the death of your motherA. madB. worriedC. surprisedD. sad
题目10单选题
There is a great selection of books on that topicA. differenceB. choiceC. needD. lack
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