无下限是什么意思

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select * from tbl_Articles WHERE ArticleID=762181 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=762181 LIMIT 0,1
select * from tbl_Articles_sphinx where id=762181 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1043409,1064129,999164,1061738,1089586,1064301,1492388,616952,1046432,1083508,663058,1459703,1060529,1074516,1020698,1081877,552572,1451439,1062040,468314,1043523,821175,1079183,977537,631027,1082328,1064929,902761,1007162,777284) ORDER BY field (ArticleID,1043409,1064129,999164,1061738,1089586,1064301,1492388,616952,1046432,1083508,663058,1459703,1060529,1074516,1020698,1081877,552572,1451439,1062040,468314,1043523,821175,1079183,977537,631027,1082328,1064929,902761,1007162,777284)