如何检查PDO中是否存在数据库表？

Question

这样的事情：

$connection->executeQuery('check table historial1 in database $connection->executeQuery('show tables')')

Answer 1

 $sql = "SHOW TABLES 'Table_Name' ";
    if($this->is_connected)
    {
        $query = $this->pdo->query($sql);
        return $query->fetchAll(PDO::FETCH_COLUMN);
    }
    return FALSE;