SGA_TARGET

Hi,database Version Oracle 11g(11.1.07))
what is the consequences of if      sga_target=0

and consequences of the parameters
1.log_checkpoint_interval

2.shared_pool_size
3.pga_aggregate_target
4.olap_page_pool_size<!--[if gte mso 9]&gt;&lt;xml&gt; &lt;w:LatentStyles DefLockedState=&quot;false&quot; DefUnhideWhenUsed=&quot;true&quot; DefSemiHidden=&quot;true&quot; DefQFormat=&quot;false&quot; DefPriority=&quot;99&quot; LatentStyleCount=&quot;267&quot;&gt; &lt;w:LsdException Locked=&quot;false&quot; Priority=&quot;0&quot; SemiHidden=&quot;false&quot; UnhideWhenUsed=&quot;false&quot; QFormat=&quot;true&quot; Name=&quot;Normal&quot;/&gt; &lt;w:LsdException Locked=&quot;false&quot; Priority=&quot;9&quot; SemiHidden=&quot;false&quot; UnhideWhenUsed=&quot;false&quot; QFormat=&quot;true&quot; Name=&quot;heading 1&quot;/&gt; &lt;w:LsdException Locked=&quot;false&quot; Priority=&quot;9&quot; QFormat=&quot;true&quot; Name=&quot;heading 2&quot;/&gt; &lt;w:LsdException Locked=&quot;false&quot; Priority=&quot;9&quot; QFormat=&quot;true&quot; Name=&quot;heading 3&quot;/&gt; &lt;w:LsdException Locked=&quot;false&quot; Priority=&quot;9&quot; QFormat=&quot;true&quot; Name=&quot;heading 4&quot;/&gt; &lt;w:LsdException Locked=&quot;false&quot; Priority=&quot;9&quot; QFormat=&quot;true&quot; Name=&quot;heading 5&quot;/&gt; &lt;w:LsdException Locked=&quot;false&quot; Priority=&quot;9&quot; QFormat=&quot;true&quot; Name=&quot;heading 6&quot;/&gt; &lt;w:LsdException Locked=&quot;false&quot; Priority=&quot;9&quot; QFormat=&quot;true&quot; Name=&quot;heading 7&quot;/&gt; &lt;w:LsdException Locked=&quot;false&quot; Priority=&quot;9&quot; QFormat=&quot;true&quot; Name=&quot;heading 8&quot;/&gt; &lt;w:LsdException Locked=&quot;false&quot; Priority=&quot;9&quot; QFormat=&quot;true&quot; Name=&quot;heading 9&quot;/&gt; &lt;w:LsdException Locked=&quot;false&quot; Priority=&quot;39&quot; Name=&quot;toc 1&quot;/&gt; &lt;w:LsdException Locked=&quot;false&quot; Priority=&quot;39&quot;