A、the most helpful,in
B、more helpful,of
C、more helpful,in
D、the more helpful,of
第1题:
You discover that your Recycle Bin contains two tables with the same name, MY_TABLE. You also have a table named MY_TABLE in your schema.You execute the following statement:FLASHBACK TABLE my_table TO BEFORE DROP RENAME TO my_table2;What will be the result of executing this statement?()
A. One of the tables is recovered from the Recycle Bin using a First In First Out (FIFO) approach.
B.One of the tables is recovered from the Recycle Bin using a Last In First Out (LIFO) approach.
C. Both the tables are recovered from the Recycle Bin with one table renamed to MY_TABLE2 and the other to a system-generated name.
D. None of the tables are recovered from the Recycle Bin, and the statement returns an error.
第2题:
第3题:
Approach
When we use the word approach we mean that an idea or theory is being applied: that whatever the teacher does, certain theoretical principles are always borne in mind.
略
第4题:
A.ping
B.Telnet
C.FTP
D.TCP
E.IP
第5题:
第6题:
__________ approach 补充手段