准备和执行两个查询

Question

如果我有2个这样的查询

$query1 = "SELECT title, content, image FROM table1 WHERE id = :id";
$query2 = "SELECT title, content FROM table2 WHERE id = :id";

我可以像这样的东西一次准备其中两个

$stmt = $conn->prepare($query1, $query2);
$stmt->execute([':id' => $id]);

Answer 1

您可以使用MySQL UNION执行此操作。