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公告	随笔分类 - mysql mysql相关问题知识 mysql秒数时间差摘要：UNIX_TIMESTAMP(datetime1) - UNIX_TIMESTAMP(datetime2) 阅读全文 posted @ 2018-10-10 13:33 凉凉的风阅读(3098) 评论(0) 推荐(0) mysql无法查询中文摘要：url后加&useUnicode=true&characterEncoding=utf-8&useSSL=false 阅读全文 posted @ 2018-10-02 14:04 凉凉的风阅读(1022) 评论(0) 推荐(0)