SELECT 字段=(SELECT b.合并字段+',' FROM 表一 AS b WHERE b.相同条件=a.相同条件 FOR XML PATH('')) FROM 表一 AS a DECLARE @temp TABLE (caccount VARCHAR(50), icaccount VARCHAR(50))INSERT INTO @tempSELECT a.caccount,b.caccount AS icaccount FROM op_client_main_caccount aLEF