
sql:left( $str as xs:anyAtomicType?, $n as xs:double? ) as xs:string?
Returns a string that is the leftmost characters of the target string. The number of characters to return is specified by the second argument.
| Parameters | |
|---|---|
| str | The base string. If the value is not a string, its string value will be used. | 
| n | The number of leftmost characters of the string to return. | 
  sql:left("abcde",2)
  => "ab"