ตัวอย่างการทำ Search Add Delete Edit บ้าง

$sql="select  fild from table  where fild = '$fild";

$sql="insert into table(fild1,fild2,fild3) values('$fild1','$fild2','$fild3')  where fild='$fild' ";

$sql="update table set fild1='$fild1' ,fild2='$fild2'  where fild='$fild' " ;

$sql="delete from table where fild='$fild'  ";