Multiple choice Which of the following is/are the true statement(s)? Union clause is used to eliminate the duplicate rows from the result set. Union all clause shows the duplicacy in the result set. In self join, we can join a table to itself. Group by clause can be used to group the result of one or more tables. All of the above Reveal answer Fill a bubble to check yourself E Correct answer Explanation Yes, all of the above are the true statements.