Quick query question

I've been using this format for displaying results of queries, I just wanted to know if this was the most efficient way of doing so or is there another way:

$query = mysql_query("SELECT * from tbl");

while($row = mysql_fetch_array($query))
{
echo "
Field 1=$row[0];
Field 2=$row[1];
Field 3=$row[2];
}

drakkarnoirAsked:
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shmertConnect With a Mentor Commented:
That is an efficient way of doing it.  But not quite the _most_ efficient way of doing it.
Since you are only referencing the fields by their numeric indices, you should use mysql_fetch_row($query);
Also, it looks like your code to echo the data will produce a parse error.  Try something like this:


$query = mysql_query("SELECT * from tbl");

while($row = mysql_fetch_row($query))
{
    echo 'Field 1=' . $row[0] . '<br />';
    echo 'Field 2=' . $row[1] . '<br />';
    echo 'Field 3=' . $row[2] . '<br />';
}
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aolXFTConnect With a Mentor Commented:
mysql_fetch_row, would use less memory. However the PHP Website says that mysql_fetch_array is not significantly slower than mysql_fetch_row, or mysql_fetch_assoc.

I don't think you can really simplify your query any, to make it any faster, unless maybe you only need part of the information. Do you need everything from that table, or do you just need the first three rows?

If so it would be faster to

SELECT name_of_row1, name_of_row2, name_of_row3 from tbl, if there are more rows in the table. It follows the principle of only selecting what you actually need.

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aolXFTCommented:
using list _might_ also be faster.

Accessing array elements isn't that fast, since it involves the use of hash-tables, and hashing functions.

try

while(list($row1, $row2, $row3) = mysql_fetch_row($query))
{
  echo "Field 1 = $row1 <br />"
  ...
  ...
}

I haven't tested this, but you might want to try it.
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drakkarnoirAuthor Commented:
Thank you both :)
0
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