STR() Function: converts a numeric value to a string

1>
2> -- STR() Function: converts a numeric value to a string.
3>
4> SELECT STR(123.4, 8, 4)
5> GO

--------
123.4000

(1 rows affected)
1>

1.	STR: takes a numeric value and changes the data type to a char
2.	STR(100.325,7)
3.	STR() function right-fills the decimal value with zeros
4.	Specifying an overall length greater than the length of the value, decimal point, and the decimal value, the result will be left-padded with spaces
5.	STR(123.456789, 8, 4)

STR() Function: converts a numeric value to a string : STR « String Functions « SQL Server / T-SQL