t加0是表示什么意思

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select * from tbl_Articles WHERE ArticleID=115216 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=115216 LIMIT 0,1
select * from tbl_Articles_sphinx where id=115216 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1095097,1862732,1314321,1076111,1049062,2189240,1364176,2477785,1052683,2662119,1091615,1748276,1098219,2576735,2405643,1093254,1517844,1373192,1664807,1099203,1835687,1074618,986394,1102388,1052287,1055866,1069739,1069477,1305244,1074744) ORDER BY field (ArticleID,1095097,1862732,1314321,1076111,1049062,2189240,1364176,2477785,1052683,2662119,1091615,1748276,1098219,2576735,2405643,1093254,1517844,1373192,1664807,1099203,1835687,1074618,986394,1102388,1052287,1055866,1069739,1069477,1305244,1074744)