Question 11
Examine the appointments table definition which contains one million rows:

Now, examine this statement which executes successfully:

Which statement will improve query performance?

Now, examine this statement which executes successfully:

Which statement will improve query performance?
Question 12
Which two are true about indexes?
Question 13
Examine these statement which execute successfully:

Now, examine this desired output:

Which two queries will produce the out?
A)

B)


D)

E)


Now, examine this desired output:

Which two queries will produce the out?
A)

B)


D)

E)

Question 14
Your program which uses a MySQL connector receives this error:
Client does not support authentication protocol request by server
The account running the program uses caching_sha2_password.
Which two resolve this conflict?
Client does not support authentication protocol request by server
The account running the program uses caching_sha2_password.
Which two resolve this conflict?
Question 15
You must write a statement that combines the first_name and last_name columns from the employees table as "last_name, first_name." Which two statements will do this?
