+ <li>If your database supports dropping columns:
+<pre>
+ALTER TABLE cust_bill DROP owed;
+ALTER TABLE cust_credit DROP credited;
+</pre>
+ Or, if your database does not support dropping columns, you can do this:
+<pre>
+ALTER TABLE cust_bill CHANGE owed depriciated decimal(10,2);
+ALTER TABLE cust_credit CHANGE credited depriciated2 decimal(10,2);
+</pre>
+