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  1. REFERENCE
  2. SQL Reference
  3. SQL Functions
  4. String

TRIM

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

Syntax

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

  • trim_expression: The characters to trim.

  • expression: The expression to be trimmed.

Examples

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

Usage Notes

If you do not specify a keyword before trim_expression, it defaults to BOTH. If you do not specify trim_expression, it defaults to a space. Organizations using Oracle will always receive a NULL return if this function is used with an empty string.

Last updated 2 years ago

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