多项选择题

Which three statements describe how the strict SQL mode provides added security?（）

A.It rejects statements that try to insert out-of-range values
B.It rejects invalid dates
C.It limits the operations that the server can perform
D.It rejects queries that produce out-of-range values
E.It rejects dates with zero day or month values

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单项选择题

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

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?（）

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

单项选择题

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