UPDATE ttr T1 SET RECORDCOUNT = (SELECT SUM(RECORDCOUNT) FROM ttr T2 WHERE T2.da= T1.da) WHERE ID...是什么意思_UPDATE ttr T1 SET RECORDCOUNT = (SELECT SUM(RECORDCOUNT) FROM ttr T2 WHERE T2.da= T1.da) WHERE ID...在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句