时间段是什么意思

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select * from tbl_Articles WHERE ArticleID=1063805 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1063805 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1063805 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2606672,1100308,1875022,1062424,1093839,1095319,2118943,1076267,1275749,1085955,2614678,2572096,1061598,1062364,1052013,1098277,2640511,1073399,2076209,2692556,1543353,1449677,1337880,1082922,1106142,1748276,999794,1280588,1095576,1078414) ORDER BY field (ArticleID,2606672,1100308,1875022,1062424,1093839,1095319,2118943,1076267,1275749,1085955,2614678,2572096,1061598,1062364,1052013,1098277,2640511,1073399,2076209,2692556,1543353,1449677,1337880,1082922,1106142,1748276,999794,1280588,1095576,1078414)