限行5和0什么意思

页面:/news/view-146741/ | 耗时:0.1110 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=146741 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=146741 LIMIT 0,1
select * from tbl_Articles_sphinx where id=146741 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1063467,1499560,1412959,1091615,2118943,2099933,1547257,1053752,1069271,1936179,1062965,1084873,1066132,1089568,1067944,1084563,1585343,1052151,1548820,1947898,1102222,1065019,980715,1378426,1089454,1065091,1117974,1943061,1093857,1459063) ORDER BY field (ArticleID,1063467,1499560,1412959,1091615,2118943,2099933,1547257,1053752,1069271,1936179,1062965,1084873,1066132,1089568,1067944,1084563,1585343,1052151,1548820,1947898,1102222,1065019,980715,1378426,1089454,1065091,1117974,1943061,1093857,1459063)