What is the purpose of the STUFF function in SQL Server?

2 years ago
Benjamin Taylor
1 minute

The STUFF function in SQL Server is used to insert one string into another string at a specified position, and replace a specified length of characters with another string. The syntax of the STUFF function is as follows:

REPLACE(character_expression, start, length, replaceWith_expression)

Parameter description:

  1. character_expression: the string to be inserted.
  2. Start counting from one to determine the position where you want to insert.
  3. length: the number of characters to be replaced.
  4. replaceWith_expression: the string to be replaced.

The purpose of the STUFF function is to insert one string into another string at a specified position and replace a specified length of characters with another string. It can be used to update specific parts of a string field or concatenate multiple strings together.

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