#: Result: Node <a/> is still in the database, because the delete function didn't find the nodes inserted by the insert function.
===Effects on Your Documents ===
<p>In BaseX, all updates are performed on database nodes. This is why update operations
never affect the original input file. You can, however, use the [[Commands
#Export| Export]] command or the fn:put() function to create an updated XML file.</p>