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我正在尋找一個更乾淨的方式來寫這些SQL語句。我基本上想要從表1中提取數據並根據表2的結果對其進行排序。第二個sql語句基於第一個條件。我曾嘗試加入,但沒有取得任何成功。更清晰的方式來寫這多個SQL語句
這就是我目前有工作:
$sql= "SELECT * FROM yt_Business_RegInfo WHERE deleted = '0' ORDER BY companyName ASC";
//Execute SQL statement
if(!($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;
}
}
謝謝,我不得不改變R.批准給M.批准。現在,因爲我有重複的id字段名稱,我將SELECT *更改爲R.id,companyName,membershipID。效果很好。 – Paul 2011-03-22 17:18:21