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联通电视0025最可能的故障原因是（）
- A、机顶盒未获取到IP地址
- B、机顶盒获取的IP地址错误
- C、网络不通
- D、机顶盒连接的上层设备没有通电
参考答案
更多 “联通电视0025最可能的故障原因是（）A、机顶盒未获取到IP地址B、机顶盒获取的IP地址错误C、网络不通D、机顶盒连接的上层设备没有通电” 相关考题
考题
YouareworkingasaDBAatNetFxCorporation.UPDATEEMPLOYEESETSALARY=2000WHEREEMPNO=’E0025’；SQLCOMMIT；OnDecember1，2004，thesalaryoftheemployee，’E0025’，wasincreasedby$400.Theuser，Scott，issuedthefollowingstatementtomodifytherecordoftheemployee，’E0025’：SQLUPDATEEMPLOYEESETSALARY=2400WHEREEMPNO=’E0025’；SQLCOMMIT；OnJuly1，2005，thesalaryoftheemployee，’E0025’，wasincreasedby$500.Theuser，Scott，issuedthefollowingstatementtomodifytherecordoftheemployee，’E0025’SQLUPDATEEMPLOYEESETSALARY=2900WHEREEMPNO=’E0025’；SQLCOMMIT；OnJuly5，2005，theHRmanageraskedyoutogeneratetheincrementreportoftheemployee，’E0025’，fortheperiodbetween1May2004and1July2005.Whichflashbackfeaturewillyouusetogeneratetheincrementreport？（）
考题
单选题You are working as a DBA at NetFx Corporation. A user， Scott， is maintaining the records of all the employees in the EMPLOYEEtable. Initially， the salary of the employee， ’E0025’， was $1800. On 1 May 2004， the salary of the employee， ’E0025’， was increased by $200. The user， Scott， issued the following statement to modify the record of the employee， ’E0025’： SQLUPDATE EMPLOYEE SET SALARY = 2000 WHERE EMPNO = ’E0025’； SQLCOMMIT； On December 1， 2004， the salary of the employee， ’E0025’， was increased by $400. The user， Scott， issued the following statement to modify the record of the employee， ’E0025’： SQLUPDATE EMPLOYEE SET SALARY = 2400 WHERE EMPNO = ’E0025’； SQLCOMMIT； On July 1， 2005， the salary of the employee， ’E0025’， was increased by $500. The user， Scott， issued the following statement to modify the record of the employee， ’E0025’ SQLUPDATE EMPLOYEE SET SALARY = 2900 WHERE EMPNO = ’E0025’； SQLCOMMIT； On July 5， 2005， the HR manager asked you to generate the increment report of the employee， ’E0025’， for the period between 1 May 2004 and 1 July 2005. Which flashback feature will you use to generate the increment report？（）A
Flashback DropB
Flashback TableC
Flashback DatabaseD
Flashback Version Query
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