On 18 April 2025 a poster asked a question on the AskTom Oracle forum: Solving a logical problem using analytical functions. The problem turned out to be surprisingly difficult to solve in pure SQL. I ...

SQL -- Mathematical Functions -- ABS: Returns the absolute value of a number. SELECT ABS(-10) FROM DUAL; -- Output: 10 -- CEIL: Rounds a number up to the nearest integer. SELECT CEIL(3.14) FROM DUAL; ...