maximum number of characters used in a column

Hi all
Suppose I have a table named employee with two fileds (Emp_id and name)
I need the query to find the maximum number of characters used in the column name until now.

CNA anyone help me.

combine the MAX and LENGTH

as in:

SQL> select max (length (ename))
  2    from emp
  3  ;

MAX(LENGTH(ENAME))
------------------
                 6

SQL> 

Tags: Database

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