Mysql常用SQL語句集錦

基礎篇 //查詢時間，友好提示 $sql = "select date_format(create_time, '%Y-%m-%d') as day from table_name"; 複製代碼 //int 時間戳類型 $sql = "select from_unixtime(create_time, '%Y-%m-%d') as day from table_name"; 複製代碼 //一個sq

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