Categories: String

TRIM

Removes leading, trailing, or both spaces or characters from a string

Syntax

TRIM(LEADING or TRAILING or BOTH expression <varchar> FROM trim_expression <varchar>) → varchar

  • expression: The expression to be trimmed
  • trim_expression: The characters to trim

Examples

SELECT TRIM('    pancake    ')
-- pancake
SELECT TRIM(leading 'pan' from 'pancake')
-- cake
SELECT TRIM(trailing 'cake' from 'pancake')
-- pan
SELECT TRIM(both 'pan' from 'pancake pan')
-- cake
SELECT TRIM('pan' from 'pancake pan')
-- cake

Usage Notes

If you do not specify a keyword before expression, it defaults to BOTH. If you do not specify trim_expression, it defaults to a space.