ROUND
ROUND
Rounds a number to a specified number of decimal places. Can only be used on Decimal columns or expressions that return a decimal.

LEFT
LEFT
Returns the leftmost n characters of a string. Can only be used on String columns or expressions that return a string.

RIGHT
RIGHT
Returns the rightmost n characters of a string. Can only be used on String columns or expressions that return a string.

SUBSTRING
SUBSTRING
Returns the substring of a string. Can only be used on String columns or expressions that return a string. A substring is a range of characters within a string.

LENGTH
LENGTH
Returns the length of a string. Can only be used on String columns or expressions that return a string.

DATEMATH
DATEMATH
Adds or subtracts a number of days, weeks, months, etc to a datetime column. Can only be used on Datetime columns or expressions that return a date. The ‘units’ must be an integer. The unit can be:
- ‘seconds’
- ‘minutes’
- ‘hours’
- ‘days’
- ‘weeks’
- ‘months’
- ‘years’

DATEDIFF
DATEDIFF
Get the difference in duration between two datetime columns or expressions that return a date. Can only be used on Datetime columns or expressions that return a date.
The ‘units’ must be an integer. The unit can be:
- ‘seconds’
- ‘minutes’
- ‘hours’
- ‘days’
- ‘weeks’

DATETRUNC
DATETRUNC
Truncates a datetime column to a specified interval. Can only be used on Datetime columns or expressions that return a date. An example could be truncating to years which for 2025-08-01 would return 2025-01-01.

UPPER
UPPER
Returns the UPPERCASE of a string. Can only be used on String columns or expressions that return a string.

LOWER
LOWER
Returns the LOWERCASE of a string. Can only be used on String columns or expressions that return a string.

TITLE
TITLE
Returns the title case of a string. Can only be used on String columns or expressions that return a string.

CONTAINS
CONTAINS
Checks if a string literal exists in a string column or expression that returns a string. Returns a boolean (true or false).

DOESNOTCONTAIN
DOESNOTCONTAIN
Checks if a string literal does not exist in a string column or expression that returns a string. Returns a boolean (true or false).
