【单选题】You have lost all members of your current redo log file group. You issue this query: SQL> select * from v$log; GROUP# SEQ# BYTES ARC STATUS FIRST_NAME 1 60 ...
【简答题】Task 2 Complete the sentences with the following words or phrases. Change the form if necessary. comment think twice implement go off fill out 1. After Tom passed his driving test, he ___...