字符串用单引号还是用双引号

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select * from tbl_Articles WHERE ArticleID=2902703 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2902703 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2902703 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(136931,2242285,798128,180325,2377201,517319,2758927,1107661,1124945,3168010,2306078,3346908,1125187,2277148,1097735,2075492,1122978,1597322,2885381,1070868,1123006,1127935,1117079,2909086,1065747,1102668,1098271,1096611,1043828,2876219) ORDER BY field (ArticleID,136931,2242285,798128,180325,2377201,517319,2758927,1107661,1124945,3168010,2306078,3346908,1125187,2277148,1097735,2075492,1122978,1597322,2885381,1070868,1123006,1127935,1117079,2909086,1065747,1102668,1098271,1096611,1043828,2876219)