title: how to increase column size of a table which is partitoned in oracle
body: <p>How to increase column size of a table which is partitioned oracle.</p>
  
  <pre><code>create table tbl(id number(5) primary key,
    name varchar2(20)) 
    partition by range(id) ( partition part1 values less than (100));
  </code></pre>
  
  <p>Now I want to increase size of column id to 10.
  How would I do so without loosing data?</p>