Write a query that combines several special functions you learned earlier in this module.
SQL Length Function
The length of a string is important to know when lining up columns, formatting information, and generally working with strings. The function returns a number representing the overall length of the string.
This function is supported differently in different engines. You may see it as LEN or LENGTH.
You will need to check with your server's documentation to see which implementation is used. In fact, some database engines do not support this function at all. For example, Microsoft's SQL Server expects that you will determine the length on the client-side of the query, not on the server-side.
If your engine does support LEN or LENGTH, the syntax is as follows:
In either case, you are provided with the length of the values in the MyColumn column, in a derived, unnamed column.