MySQL 之PHP实现 排序&分组&链接&NULL

ORDER BY 语法php SELECT field1, field2,...fieldN table_name1, table_name2... ORDER BY field1, [field2...] [ASC [DESC]] 在 PHP 脚本中使用 ORDER BY 子句mysql <?php $dbhost = 'localhost:3306'; // mysql服务器主机地址 $db

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