mysql 操作记录
摘要：
一些重要操作记录。避免重复插入INSERT INTO lhlh_emotion (word, freq, tag) SELECT '{emotion}', 100, 'a' from DUAL where not exists(select word from lhlh_emotion where 阅读全文
posted @ 2018-06-14 15:32 bingwork 阅读(120) 评论(0) 推荐(0) 编辑
