如何设置闹钟只响一次

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select * from tbl_Articles WHERE ArticleID=377712 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=377712 LIMIT 0,1
select * from tbl_Articles_sphinx where id=377712 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1785177,1126164,1100497,1100761,201941,1106938,116697,271140,155309,1128597,1117011,1097607,3118592,1123781,1526622,137426,108830,1050027,1052849,2033481,150065,1066694,1087475,1132681,200003,1052433,132180,1501666,686358,1123223) ORDER BY field (ArticleID,1785177,1126164,1100497,1100761,201941,1106938,116697,271140,155309,1128597,1117011,1097607,3118592,1123781,1526622,137426,108830,1050027,1052849,2033481,150065,1066694,1087475,1132681,200003,1052433,132180,1501666,686358,1123223)