hi, i would like to compare numeric data in rows. for eg, i have a table that has a column as such:- Number ====== 1.88 9.99 8.76 9.88 I want to compare 2nd value, 3rd value, 4th value to the 1st value. And then 3rd, 4th value to the 2nd. then 4th to 3rd. How can i construct an sql to do this?