很简单,这样的查询/语句效率低下还是不好?这是mysql语句效率低下吗?
<?
$strSql="SELECT * FROM clients, projects
WHERE clients.clientID = $intClientId
AND projects.clientID=$intClientId LIMIT 1";
$objResult=mysql_query($strSql);
if(mysql_num_rows($objResult)==0) {
echo("No data"); }
while ($arrRow=mysql_fetch_array($objResult))
{
?>
<h1>Sub Project(s) for: <span><?=$arrRow[clientName]?></span></h1>
<?
} ?>
ISTR有一个codereview网站? –