LEFT
Returns the leftmost len characters from the string str, or NULL if any argument is NULL.
Syntax
LEFT(str,len);
Arguments
| Arguments | Description | 
|---|---|
| str | The main string from where the character to be extracted | 
| len | The count of characters | 
Return Type
String data type value.
Examples
SELECT LEFT('foobarbar', 5);
+----------------------+
| LEFT('foobarbar', 5) |
+----------------------+
| fooba                |
+----------------------+