摘要：
1853. 转换日期格式 https://leetcode.cn/problems/convert-date-format/ SQL: SELECT concat(dayname(day), ', ', monthname(day), ' ', day(day), ', ', year(day)) 阅读全文
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摘要：
1853. 转换日期格式 https://leetcode.cn/problems/convert-date-format/ SQL: SELECT concat(dayname(day), ', ', monthname(day), ' ', day(day), ', ', year(day)) 阅读全文
摘要：
1211. 查询结果的质量和占比 https://leetcode.cn/problems/queries-quality-and-percentage/ SELECT query_name , round(avg(rating / position), 2) AS quality , round( 阅读全文
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