title: "x FOR y" in column definition of DB2 create table statement
body: <p>This is the DB2 <code>create table</code> statement:</p>
  
  <pre><code>CREATE TABLE SCHEMA_F.TABLE_A (
      LEAFDESCRIPTION FOR F7UY2 CHAR(10) CCSID 1141  NOT NULL WITH DEFAULT
      ...
  </code></pre>
  
  <p>What does <code>LEAFDESCRIPTION FOR F7UY2</code> mean exactly?</p>