sql多行合并
(sqlserver可以用,其他未试)
SRE实战 互联网时代守护先锋,助力企业售后服务体系运筹帷幄!一键直达领取阿里云限量特价优惠。SELECT qqo.questionID '题目id', qqo.quesOption '选项' FROM qz_question_option qqo, qz_question qq WHERE qqo.questionID = qq.questionID
上面多行记录合并为如下形式:
SELECT qq.questionID '题目id', (SELECT qqo.quesOption + ' | ' FROM qz_question_option qqo WHERE qqo.questionID = qq.questionID AND qqo.valid = 1 FOR xml PATH ('')) AS '选项' FROM qz_question qq

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