单项选择题
A.A
B.B
C.C
D.D
单项选择题 The validate_password plugin is loaded and displays the following settings in global variables: Mysql> SHOW VARIABLES LIKE ‘validate_password%’; When attempting to set your password, you get the following error: Mysql> SET PASSWORD = PASSWORD (‘Hoverl@%’); ERROR 1819 (HY000): Your password does not satisfy the current policy requirements What is the cause of the error?()
单项选择题 You want a record of all queries that are not using indexes. How would you achieve this?()
多项选择题 Full Atomicity, Consistency, Isolation, Durability (ACID) compliance is a necessity for a new application, which heavily reads and writes data. This requires the following config file options: Sync_binlog=1 Innodb_flush_log_at_trx_commit=1 Innodb_doublewrite=1 However, this configuration is expected to introduce disk I/O overhead. What three changes will reduce disk I/O overheads?()