Unit 1 Part 5 II Coversation 1 Listen to the conversation. At the end the conversation, three questions will be asked. Choose the best answer for each question.
【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 ___...