SQL functions are powerful tools that can help you manipulate and analyze data in various ways. One common use case is to rank data based on some criteria, such as sales, performance, or popularity.

If not specified, the function treats all rows of the query result set as a single group. order_by_clause determines the order of the data before the function is applied. The order_by_clause is ...

The `RANK` function on the other hand displays ranks about other ranks, with gaps in-between any tied ranks, and `DENSE_RANK` removes any gaps. Such functions are mainly required for sorting the data, ...

Technical documentation for Microsoft SQL Server, tools such as SQL Server Management Studio (SSMS) , SQL Server Data Tools (SSDT) etc. - MicrosoftDocs/sql-docs ...