I have 5 tables (bepd , tirpd , elpd , frpd , kopd) with the same column named "Up" , and i want to make the sum of Up from all tables and to show it in a php code . can anyone help me ?I have 5 tables (bepd , tirpd , elpd , frpd , k
阅读背景：
我想从5个表中得到一个总和，其中一个列名为“UP”
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