Ask the great God, so to write, whether the PHP query was executed twice

Ask the great God, so write, PHP query is executed two times?

 $act =$_get[' act '];
$id =$_get[' id '];
Switch ($act) {
Case "Del";
$del = $dbc->prepare ("Delete from Naszt where 1=1 and id=?");
if ($del->execute (Array ($id))) {
echo "";
}else{
Echo ';
}
}
?>

 $selectSpecialContent = $dbc->prepare ("SELECT * from Naszt");
$selectSpecialContent->execute ();
?>



















 
  
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Ask the great God, so write, PHP query is executed two times?


This JS is to delete the current TR, but I feel the $selectspecialcontent= $dbc->prepare ("SELECT * from Naszt");
$selectSpecialContent->execute (); This SQL query was executed once again.

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------Solution--------------------
There is only one query operation from beginning to end, even if you perform the delete operation, it is also a query operation. If you do not want to execute the query when you delete, then you need to use Ajax to manipulate the

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