在MySQL上需要你的帮助。如何编写下面的查询。我试过却不能工作part_db.part_num,SUM(uts_details.qty) AS UTS,(UTS - SIR) AS balLEFT OUTER JOIN uts_details ON part_db.part_num = uts_details.part_num
LEFT OUTER JOIN sir_details ON part_d
我下面有手风琴列表的代码。在不改变文本位置的情况下,打开并关闭列表时,如何在标题的左角得到正负号?任何有帮助的事,干杯。(function () { if (!document.querySelectorAll || !document.body.classList) return; // Using a function helps isolate each accordion from the othe