Study tips 1Z0-051

Which statement is true regarding the above query?

Which is the valid DELETE statement?

Which query would give the required output?

What would be the outcome of the above statement?

Which query would give the required result?

Which SQL statements are valid?

Which statement is true regarding the above query if one of the values generated by the sub query is NULL?

Which two queries would give the required output?

Which statement is true regarding the outcome of the above query?

Which clause in the above SQL statement causes the error?