The user SCOTT who is the owner of ORDERS and ORDERJTEMS tables issues the following GRANT command： GRANT ALL ON orders， order_items TO PUBLIC； What correction needs to be done to the above statement？ （） [" PUBLIC should be replaced with specific usernames."," ALL should be replaced with a list of specific privileges."," WITH GRANT OPTION should be added to the statement."," Separate GRANT statements are required for ORDERS and ORDERJTEMS tables."]
社会现代化
You work as a database administrator for Certkiller .com. The database is open. A media failure has occurred， resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario？（） ["The instance would hang.","The instance needs to be shut down.","The instance would be in the open state.","The instance would abort in such cases.","The instance would be in the open and invalid state.","The instance would in the open state， but all the background processes will be restarted."]
球罐进行喷淋的目的是（） ["降低罐体温度和压力","加快装车速度","火灾时用于降低罐体辐射温度阻隔火焰"]
“刺激→处理（浅涉、尝新求异心理强）→反应（经常变化）”表示的顾客购买行为模式是（） ["复杂的购买行为模式","不协调减少的购买行为模式","寻求多样化的购买行为模式","常规或习惯性购买行为模式"]
Match the interface with the use on the WSA.
