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Dave Mason points out another nice addition to the T-SQL toolbelt in SQL Server 2017:

In the last post, I looked at a new T-SQL function for SQL Server 2017. Let’s continue down that path and look at CONCAT_WS(), which is also new for SQL Server 2017. Here’s the definition of the function from Microsoft Docs:

“Concatenates a variable number of arguments with a delimiter specified in the 1st argument. (CONCAT_WS indicates concatenate with separator.)”

Read on for an example using CONCAT_WS.  It’s one of those functions that I haven’t quite committed to memory, but every time I get reminded of it, I remember that I really need to remember it.