奇数行：id%2=1
select * from cinema where id%2=1 and description!='boring' order by rating desc
偶数行：id%2=0
select * from cinema where id%2=0 and description!='boring' order by rating desc
选取数据库表行数为奇数或偶数记录
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转载自blog.csdn.net/qq_21264377/article/details/107533231
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