mysql中with...as用法

原創 Lee5488 2020-07-01 23:11

最近無意中接觸到了一篇文章，裏面寫了一個SQL的用法，是with...as，中午抽空記錄一下

用MySQL試了一下，發現並不支持該語法（版本:5.7）

 

於是換作以下（版本:8.0）不會報錯：

總結一下with的用法，類似生成一個臨時的表，和如下紅框裏的操作並無異樣

感覺是個雞肋語法...翻遍了mysql文檔也沒找到該語法到底是哪個版本開始支持的

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