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摘要: 1. MySQL5.7基于自定义变量的方式 生成1-10的连续数字序列: SELECT @v := @v + 1 AS n FROM (SELECT 1 UNION SELECT 2) t1, (SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 阅读全文
posted @ 2022-09-19 13:09 Convict 阅读(3077) 评论(0) 推荐(0) 编辑