Quiz

1:	Which one of the following operators cannot be used to test whether a value is NULL ? ISNULL() <=> IS NULL =
2:	The call strcmp('fred', 'Fred') returns -1 1 2
3:	Which of the following functions would you use to retrieve the name of a month from a date? dayname() extract() subdate() now()
4:	Which of the following functions does MySQL use to encrypt its own internal user passwords? password() encrypt() md5() sha()
5:	If we use a grouping function in a SELECT statement with no GROUP BY clause, we will get a syntax error the entire table will be treated as one group the entire result set will be treated as one group each row will be treated as one group