Point out the wrong statement.

Question

Admin · Accepted Answer

ntile() distributes the columns in an ordered partition into a specified number of groups

Admin · Answer

rank() returns the rank of each row in the result set of partitioned column

Admin · Answer

dense_rank() is same as rank() function. only difference is returns rank without gaps

Admin · Answer

row_number() returns the serial number of the row order by specified column

Q. Point out the wrong statement.