[单选]
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’：
SQL>UPDATE EMPLOYEE SET SALARY = 2000
WHERE EMPNO = ’E0025’；
SQL>COMMIT；
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’：
SQL>UPDATE EMPLOYEE SET SALARY = 2400
WHERE EMPNO = ’E0025’；
SQL>COMMIT；
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’
SQL>UPDATE EMPLOYEE SET SALARY = 2900
WHERE EMPNO = ’E0025’；
SQL>COMMIT；
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 Drop
B . Flashback Table
C . Flashback Database
D . Flashback Version Query

教师劳动具有以下哪些特征？（） A.复杂性。 B.独立性。 C.示范性。 D.长效性。项目法人应当向监理单位提供必要的工作条件，支持监理单位独立开展监理业务，不得明示或者暗示监理单位违反法律法规和工程建设强制性标准，不得更改总监理工程师指令。 Which operating system can directly host managed storage for IBM i, AIX, Linux, VMware and Windows on a Power Systems server?（） AIX。 IBM i。 Linux。 VIO Server。 Company.com wants to reassign a host bus adapter （HBA） from one partition to another to handle increased I/O workload on that partition. What needs to be done to dynamically move the card？（） Use the rmdev command to remove the card from the current partition before doing the DLPAR process.。 Take the source partition down and do the DLPAR function on the target partition.。 Assign the card to the required section of the target partition and run cfgmgr.。 Dynamically remove the card from the source and add to target profile then reactivate the target profile.。企业间（B2B）的电子商务应用可以是（）工作组的通信。社交。供应商管理。个人理财。

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’：
SQL>UPDATE EMPLOYEE SET SALARY = 2000
WHERE EMPNO = ’E0025’；
SQL>COMMIT；
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’：
SQL>UPDATE EMPLOYEE SET SALARY = 2400
WHERE EMPNO = ’E0025’；
SQL>COMMIT；
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’
SQL>UPDATE EMPLOYEE SET SALARY = 2900
WHERE EMPNO = ’E0025’；
SQL>COMMIT；
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？（）

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