You have three databases， FINDB， PAYDB and ADMINDB， located in Sydney， Tokyo and Singapore respectively. You want to perform administrative tasks which include starting up and shutting down the databases， creating and managing tablespaces and database users， and taking regular backups， for all of the three databases from London. Which component must be enabled and running on each host machine to achieve your objective？（）
单选题查看答案
信用证上的托运人名字是“X native produce， and animal by products import and export corporation， Country A”，而发票上托运人的名字为“X national native produce，and animal by products import and export corporation，Country A”。商业发票上“national（全国）”一词插入了“X”和其余单词之间。（）
单选题查看答案
一 It includes merchandise， packaging and shipping， duty if required， any taxes and insurance. （）
单选题查看答案
I’ll the exchange rate and service charge and then type up the check for you.（）
单选题查看答案
已知a=3，b=4，c=5，表达式a>b and Not c>a Or c>b And c
填空题查看答案
Which three features are provided by Recovery Manager and NOT provided by user-managed backup and recovery？（）
多选题查看答案
表达式 （2*3）>=5 and 12/3
判断题查看答案
- Does modern logistics mean transportation and delivery？- Modern logistics is more about effective and efficient flow of materialsand information.（）
单选题查看答案
数学关系8≤x
判断题查看答案