title: where the table will be store values in Magento for attribute has 'static' backend_type
body: <p>I know that:
  If attribute have <code>backend_type</code> is <code>int/varchar/datetime</code>, it's value will be store int corresponding table, for example:</p>
  
  <pre><code>backend_type        |value's table                 |
  --------------------|------------------------------|
  int                 |catalog_product_entity_int    |
  varchar             |catalog_product_entity_varchar|
  static              |catalog_product_entity_???????|
  </code></pre>
  
  <p>So, where the value's table for <code>static</code> <code>backend_type</code>?</p>