如何理解求则得之舍则失之

页面:/news/view-142969/ | 耗时:0.8465 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=142969 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=142969 LIMIT 0,1
select * from tbl_Articles_sphinx where id=142969 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1422739,193011,1518643,188749,194335,1079952,191488,295869,1452970,209688,303833,935918,1079840,533569,209341,1119441,1074542,303560,1117850,1308792,748669,1467485,2371563,1277595,386048,725249,1392118,627904,2840997,250121) ORDER BY field (ArticleID,1422739,193011,1518643,188749,194335,1079952,191488,295869,1452970,209688,303833,935918,1079840,533569,209341,1119441,1074542,303560,1117850,1308792,748669,1467485,2371563,1277595,386048,725249,1392118,627904,2840997,250121)