3.4. Mathematical Functions¶
To comply with the SQL standard in all cases when a null is passed as an
argument to any function below the result of the expression will be null.
Values that are missing are treated as null values.
3.4.1. ABS() – Absolute value¶
Return the absolute value (positive value) of a number.
abs(<number>)
3.4.4. FLOOR() – Round down¶
Remove the fractional part of a number. This is often refered to as truncating a number.
floor(<number>)
3.4.6. SQRT() – Square root¶
Calculates the square root of a number.
sqrt(<number>)
If the number is negative an error will be thrown:
Cannot calculate square root with negative number -17