单项选择题 You need to dump the data from the master server and import it into a new slave server. Which mysqldump option can be used when dumping data from the master server in order to include the master servers binary log information?（）

单项选择题 You have a server that has very limited memory but has a very large table. You will use mysqldump to back up this table. Which option will ensure mysqldump will process a row at a time instead of buffering a set of rows?（）

多项选择题 Which three tasks can be performed by using the performance Schema?（）