[英]Combining Two MySQL Queries with PHP
The below code is simple PHP/MySQL script that returns the results of a single MySQL query utilizing PHP. 以下代码是简单的PHP / MySQL脚本,该脚本返回使用PHP的单个MySQL查询的结果。 When looking for particular results within my database, it would sometimes be simpler to join multiple queries utilizing PHP. 在数据库中查找特定结果时,有时使用PHP联接多个查询会更简单。 If for example I wanted to join a secondary query to the below code, what PHP script would be used to do this? 例如,如果我想将辅助查询加入以下代码,那么将使用什么PHP脚本来执行此操作? One example is I did a query utilizing subqueries with LEFT JOINs as one query. 一个示例是我使用带有LEFT JOIN的子查询作为一个查询来进行查询。 I would like to get the same results as that query only doing it by joining multiple queries through PHP. 我只想通过PHP联接多个查询来获得与该查询相同的结果。
I have looked for answers to this, but I don't think I know how to phrase it correctly since I just get results on how to do MySQL JOIN operations. 我一直在寻找答案,但是我不知道如何正确地表达它,因为我只是获得有关如何执行MySQL JOIN操作的结果。
<?php
$mysqli = new mysqli("hostname", "username", "password", "marketing");
$result = $mysqli->query("
SELECT INDV_FIRST_NAME, INDV_LAST_NAME
FROM INDV_INDIVIDUAL
LIMIT 100
");
if (!$result) {
echo $mysqli->error;
exit;
}
while ($row = $result->fetch_assoc()) {
echo $row['INDV_FIRST_NAME'] . $row['INDV_LAST_NAME'] . '<br>';
}
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