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我正在寻找一个更干净的方式来写这些SQL语句。我基本上想要从表1中提取数据并根据表2的结果对其进行排序。第二个sql语句基于第一个条件。我曾尝试加入,但没有取得任何成功。更清晰的方式来写这多个SQL语句
这就是我目前有工作:
$sql= "SELECT * FROM yt_Business_RegInfo WHERE deleted = '0' ORDER BY companyName ASC";
//Execute SQL statement
if(!($result = mysql_query($sql)))
die("Error in executing query");
while ($row = mysql_fetch_array($result)) {
$busID = $row['id'];
$companyName = $row["companyName"];
$membershipID = $row['membershipID'];
$sql2= "SELECT * FROM yt_Business_Membership WHERE id = '$membershipID' AND approved = 1";
//Execute SQL statement
if(!($result2 = mysql_query($sql2)))
die("Error in executing query");
//Retrieve values
while ($row2 = mysql_fetch_array($result2)) {
echo $companyName;
}
}
谢谢,我不得不改变R.批准给M.批准。现在,因为我有重复的id字段名称,我将SELECT *更改为R.id,companyName,membershipID。效果很好。 – Paul 2011-03-22 17:18:21