repeat function
Applies to:  Databricks SQL 
 Databricks Runtime
Returns the string that repeats expr n times.
Syntax
repeat(expr, n)
Arguments
- expr: A- STRINGexpression.
- n: An- INTEGERexpression.
Returns
A STRING.
If n is less than 1, an empty string.
Examples
SQL
> SELECT repeat('123', 2);
 123123