多线程有什么用

页面:/news/view-643157/ | 耗时:0.8209 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=643157 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=643157 LIMIT 0,1
select * from tbl_Articles_sphinx where id=643157 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1495199,1993260,2582618,1075509,1372953,2845378,3249847,1060881,2453571,1082241,1562820,1469167,1804101,1484819,2731902,2588001,2458618,2133965,1058295,1121918,1120185,289704,2847168,2250416,1854710,1737550,1610834,1067319,1077304,2700682) ORDER BY field (ArticleID,1495199,1993260,2582618,1075509,1372953,2845378,3249847,1060881,2453571,1082241,1562820,1469167,1804101,1484819,2731902,2588001,2458618,2133965,1058295,1121918,1120185,289704,2847168,2250416,1854710,1737550,1610834,1067319,1077304,2700682)