解决MySQL到oracle的函数迁移问题之：在MySQL使用了GROUP_CONCAT，如何在oracle中完美替代

 这个是MySQL的SQL语句， SELECT     a.ID AS "id",     a.SENSOR_NAME AS "sensorName",     a.SENSOR_TYPE AS "sensorType",     a.SENSOR_NO AS "sensorNo",     a.SENSOR_MODEL AS "sensorModel",     a.COMPANY AS "co

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