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Display database statistics without multiple recordsets

Thread began 7/23/2014 1:39 pm by Dennis | Last modified 8/12/2014 5:30 pm by Dennis | 982 views | 7 replies

Dennis

Thanks Jason, for clearing that up for me. I've wondered about that for some time.

The link you suggested above http://www.tizag.com/mysqlTutorial/mysqlsum.php (ps, they have very good tutorails) has the following example that I'm trying to understand how to use...

<?php
// Make a MySQL Connection

$query = "SELECT type, SUM(price) FROM products GROUP BY type";

$result = mysql_query($query) or die(mysql_error());

// Print out result
while($row = mysql_fetch_array($result)){
echo "Total ". $row['type']. " = $". $row['SUM(price)'];
echo "<br />";
}
?>

Would I put the "SELECT type, SUM(price) FROM products GROUP BY type" in a recordset and then hand code everything under it?

Also, if COUNT & SUM are used in a recordset, how does that help my dilemma of having to many recordsets? Is it because they provide many more results (statistics) with a single recordset?

Because I want to pick & choose what statistics I display, I went searching for a way to stack COUNT statements, I came across this example of code on stackoverflow. but I was able to get it to work (in a recordset) and echo the aliases...

SELECT
SUM(CASE WHEN Mbr_Status = 'Regular' THEN 1 ELSE 0 END) StatusRegular,
SUM(CASE WHEN Mbr_Status = 'App' THEN 1 ELSE 0 END) StatusApplicant,
SUM(CASE WHEN Mbr_Status = 'None' THEN 1 ELSE 0 END) StatusNone,
SUM(CASE WHEN Mbr_Status = 'Club' THEN 1 ELSE 0 END) StatusClub
FROM member_accounts

Does this look like a good (reliable & efficient) statement? I'm asking because I don't have a clue as to what it is doing with the if statements.

Thanks

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