initcap function
Applies to:  Databricks SQL 
 Databricks Runtime
Returns expr with the first letter of each word in uppercase according to the collation of expr.
All other letters are in lowercase.
Words are delimited by white space.
Syntax
initcap(expr)
Arguments
- expr: A- STRINGexpression.
Returns
A STRING.
Examples
SQL
> SELECT initcap('sPark sql');
 Spark Sql