相对误差怎么算

页面:/news/view-403069/ | 耗时:0.5166 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=403069 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=403069 LIMIT 0,1
select * from tbl_Articles_sphinx where id=403069 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(367822,537742,380371,511532,415836,421445,606768,2321616,512044,1664135,817609,1106829,540651,527212,474806,382897,468060,392557,494203,470465,353208,398971,437234,413542,2365426,390781,439872,364066,378062,433952) ORDER BY field (ArticleID,367822,537742,380371,511532,415836,421445,606768,2321616,512044,1664135,817609,1106829,540651,527212,474806,382897,468060,392557,494203,470465,353208,398971,437234,413542,2365426,390781,439872,364066,378062,433952)