LENGTH

=Length  = 

Syntax-
LENGTH(//char//) Length only has two arguments


 =Description =  Shows the length of a string as a number value. Spaces are also included in the argument.

FROM employees

 * LENGTH('HELLOWORLD') ||
 * 10 ||

FROM f_staffs

 * LENGTH('LUIS') ||
 * 4 ||

SELECT LENGTH('Cotto') FROM dual

 * LENGTH('COTTO') ||
 * 5 ||