title: Delete from SQL from start of a keyword to finish of another keyword
body: <p>I have the following lines in an SQL database, and I would like to find a query to delete from &lt;_string&gt; all the way up to &lt;/_string&gt; in all the DB. Someone can help with that?</p>
  <pre><code>  &lt;game_machine&gt;
          &lt;_string&gt;
              &lt;savedgamedata&gt;&lt;![CDATA[{&quot;m_sceneName&quot;:&quot;AGF_Demoopen&quot;,&quot;m_list&quot;:[{&quot;key&quot;:&quot;DailyQuestsBoardLv2&quot;,&quot;sceneIndex&quot;:-1,&quot;data&quot;:&quot;{\&quot;staticQuestIds\&quot;:[],\&quot;staticQuestData\&quot;:[],\&quot;proceduralQuests\&quot;:[],\&quot;deletedStaticQuests\&quot;:[]}&quot;},&quot;{\&quot;staticQuestIds\&quot;:[],\&quot;staticQuestData\&quot;:[],\&quot;proceduralQuests\&quot;:[],\&quot;deletedStaticQuests\&quot;:[]}&quot;}]}]]&gt;&lt;/savedgamedata&gt;
          &lt;/_string&gt;
  &lt;/game_machine&gt;
  </code></pre>