SQL Server CONCAT_WS() Function

Add strings together. Use '.' to separate the concatenated string values:

SELECT CONCAT_WS('.', 'www', 'W3Schools', 'com');

Definition and Usage

The CONCAT_WS() function adds two or more strings together with a separator.

Note: See also CONCAT() and Concat with the + operator.

CONCAT_WS(separator, string1, string2, ...., string_n)

Parameter	Description
separator	Required. The separator to use
string1, string2, string_n	Required. The strings to add together

Works in:	SQL Server (starting with 2017), Azure SQL Database, Azure SQL Data Warehouse

Add strings together. Use '-' to separate the concatenated string values:

SELECT CONCAT_WS('-', 'SQL', ' is', ' fun!');