A customer opened a ticket with the help desk two days ago to report that their computer ismaking a strange loud noise. Which of the following should the technician do FIRST after arriving at the site?()A、Ask another technician who has worked with this computer previously to learn about any other prior issues.B、Ask the customer open-ended questions to attempt to narrow down the issue, then repeat the issue to the customer for validation.C、Ask the customer close-ended questions to attempt to narrow down the issue while not using technical jargon to avoid overwhelming the customer.D、Run preliminary diagnostic tests to narrow down the issue and update the status of the trouble ticket then ask the customer about any changes they have made to the computer.

A customer opened a ticket with the help desk two days ago to report that their computer ismaking a strange loud noise. Which of the following should the technician do FIRST after arriving at the site?()

  • A、Ask another technician who has worked with this computer previously to learn about any other prior issues.
  • B、Ask the customer open-ended questions to attempt to narrow down the issue, then repeat the issue to the customer for validation.
  • C、Ask the customer close-ended questions to attempt to narrow down the issue while not using technical jargon to avoid overwhelming the customer.
  • D、Run preliminary diagnostic tests to narrow down the issue and update the status of the trouble ticket then ask the customer about any changes they have made to the computer.

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求每个终点的平均票价的SQL语句是A)SELECT终点,avg(票价)FROM ticket GROUP BY票价B)SELECT终点,avg(票价)FROM ticket ORDER BY票价C)SELECT终点,avg(票价)FROM ticket ORDER BY终点D)SELECT终点,avg(票价)FROM ticket GROUP BY终点

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求每个终点的平均票价的SQL语句是A.SELECT终点,avg(票价)FROM ticket GROUP BY票价B.SELECT终点,avg(票价)FROM ticket ORDER BY票价C.SELECT终点,avg(票价)FROM ticket ORDER BY终点D.SELECT终点,avg(票价)FROM ticket GROUP BY终点

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阅读以下说明和关系表,回答问题1-2,将解答填入对应的解答栏内。[说明]下图是飞机票预定的数据库,售票员的顾客编号是指每个售票员自己接收过哪些顾客的订单,用顾客编号来表示。请用SQL语句来建立这三个基本表:飞机票Ticket、售票员Seller和顾客Customer(请注意数据类型的选择)其中各表属性如下:Ticket:Tno,Tflidltno,Tdate,Tseat,TPrice,Tdest,TdepartSeller:Sno,Sname,Ssex,ScustomernoCustomer:Cno,Cname,Caddr,Cflightno,Cdate

What is the effect of specifying the "ENABLE PLUGGABLE DATABASE" clause in a "CREATEDATABASE” statement?() A. It will create a multitenant container database (CDB) with only the root opened.B. It will create a CDB with root opened and seed read only.C. It will create a CDB with root and seed opened and one PDB mounted.D. It will create a CDB that must be plugged into an existing cdb.E. It will create a CDB with root opened and seed mounted.

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A customer opened a ticket with the help desk two days ago to report that their computer ismaking a strange loud noise. Which of the following should the technician do FIRST after arriving at the site?()A. Ask another technician who has worked with this computer previously to learn about any other prior issues.B. Ask the customer open-ended questions to attempt to narrow down the issue, then repeat the issue to the customer for validation.C. Ask the customer close-ended questions to attempt to narrow down the issue while not using technical jargon to avoid overwhelming the customer.D. Run preliminary diagnostic tests to narrow down the issue and update the status of the trouble ticket then ask the customer about any changes they have made to the computer.

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