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You have a MySQL replication setup and you intentionally stop the SQL thread on the slave.
What are two reasons that you may stop the SQL thread on the slave while keeping the I/O thread running? (Choose two.)
An existing master-slave setup is currently using a delayed replication of one hour. The master has crashed and the slave must be ''rolled forward'' to provide all the latest data.
The SHOW SLAVE STATUS indicates these values:
RELAY_LOG_FILE=hostname-relay-bin.00004
RELAY_LOG_POS=1383
Which command set would make the slave current?
Which three are key advantages of standard MySQL replication? (Choose three.)
The MySQL error log shows:
InnoDB: Warning: a long semaphore wait:
The relevant parts of the InnoDB monitor output shows:
Which two options would help avoid the long wait in the future?
You have a MySQL instance with the following variables in the /etc/my.cnf file:
You issue these statements:
USE prices;
UPDATE sales.january SET amount=amount+1000;
An hour after excluding the statements, you realize that you made a mistake and you want to go to the binary log and look at the statements again.
Which statement is true? (Choose two.)
