單項(xiàng)選擇題

The following commands are available in the Linux binary distributions of Mysql: Mysqld Mysqld_safe Mysql.server What is the correct description of each of these commands?（）

A.A
B.B
C.C
D.D

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單項(xiàng)選擇題
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?（）
A.The password is eight characters long, but needs to exceed validate_password_length to be valid
B.All of the MEDIUM password policy requirements have not been honored
C.The password matches a substring Hover as a dictionary word
D.The password does not match the validate_passoword_number_count requirement
E.There is no dictionary file defined, so password validation cannot work as expected
單項(xiàng)選擇題
You want a record of all queries that are not using indexes. How would you achieve this?（）
A.By enabling the Slow Query Log because all queries that are not using indexes will be logged automatically
B.By enabling the Error Log because not using indexes is an error
C.By enabling the Slow Query Log and using the – log-queries-not-using-indexes option
D.By enabling the Error Log and using the – log-queries-not-using-indexes option