distinct 去重复，group by 数据分组，仍是说拿起就用篇--2（嗯算是吧。）

<?php include('./Conf.php'); include('./CEMysql.class.php'); $DB = new CEMysql; $sql = 'select distinct fieldOne,fieldTwo from tableName group by fieldTwo'; $result = $DB -> query($sql); var

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