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[英]How to get min and max value from the same column at same time from database in codeigniter?
[英]how to get max and min value of a column from database in codeigniter
我想使用一個查詢獲取Column的Min和Max值。 那可能嗎?
這是我的代碼:
$this->db->select_max('fare');
$this->db->select_min('fare');
$this->db->from('travels_detail');
$query = $this->db->get();
您可以嘗試以下方法:
$this->db->select('MAX(fare) as max_fare, MIN(fare) as min_fare');
$this->db->from('travels_detail');
$query = $this->db->get();
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