目录步骤一:使用GROUP_CONCAT函数示例注意事项语法示例注意事项在实际的数据库查询中,有时候我们需要将查询结果按逗号分割成一个字符串,以便于在应用程序中进一步处理或展示。本文将介绍如何使用mysql数据库来实现
I\'m not thrilled with the argument-passing architecture I\'m evolving for the (many) Perl scripts that have been developed for some scripts that call various Hadoop MapReduce jobs.