多项选择题
A.Disabling connections from named pipes or socket files (depending on the operating system of the server)
B.Enabling and using SSL for connections to the Mysql database
C.Installing Mysql on the application server, and running the database and application on the same server
D.Starting the server with – bind- address=0.0.0.0 specified
E.Running the server with – skip-networking specified
F.Limiting logins to originate from the application server or the server's subnet'
多项选择题 The InnoDB engine has a feature known as clustered indexes. Which three statements are true about clustered indexes as used in InnoDB?（）
多项选择题 Which two events will cause a slave server to create a new relay log file?（）
单项选择题 You want to start monitoring statistics on the distribution of storage engines that are being used and the average sizes of tables in the various databases. Some details are as follows: The Mysql instance has 400 databases. Each database on an average consists of 25-50 tables. You use the query: SELECT TABLE_SCHEMA, ENGINE, COUNT (*), SUM(data_length) total_size FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE= BASE TABLE GROUP BY TABLE_SCHEMA, ENGINE ; Why is this query slow to execute?（）