How does the FORMAT function work?

Question

SQL Server

Explain what this function does? It is clear that it formats the data, but what are its arguments and what do they mean?

Answer 1

What is not clear here ?

Answer 2

For complete details about these formatting patterns, see the .NET Framework documentation topics on string formatting in general, custom date and time formats, and custom number formats. A good starting point is the Formatting Types section .
https://docs.microsoft.com/en-us/dotnet/standard/b...