多项选择题
Which three data components are needed for point-in-time recovery?（）
A.The error log
B.The backup log
C.The general query log
D.Binary logs
E.The data backup
F.Configuration files
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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?（）
A.Include-master-info
B.Master-binlog
C.Include-log-file
D.Master-data -
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?（）
A.— quick
B.— skip-buffer
C.— single-transaction
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多项选择题
Which three tasks can be performed by using the performance Schema?（）
A.Finding queries that are not using indexes
B.Finding rows that are locked by InnoDB
C.Finding client connection attributes
D.Finding the part of a code in which a single query is spending time
E.Finding the size of each table
