SQL Eval Function String_Trim

String_Trim removes all leading and trailing white-space characters from the source string.

String_Trim (
	@source NVARCHAR (MAX)
	)
RETURNS NVARCHAR (MAX)

Parameters

  • source: The source string.

Returns

  • The string that remains after all white-space characters are removed from the start and end of the source string.
  • If no characters can be trimmed from the source instance, the method returns it without any changes.

Example

SELECT SQLNET::String_Trim('   John Doe      ')

String_Trim4k

It is equivalent to String_Trim except no NVARCHAR(MAX) parameters; it can be used when input data will never be over 4000 characters as this function offers better performance.

String_Trim4k (
	@source NVARCHAR (4000)
	)
RETURNS NVARCHAR (4000)

Example

SELECT SQLNET::String_Trim4k('   John Doe      ')

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