三角带a型和b型的区别是什么

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select * from tbl_Articles WHERE ArticleID=3164121 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3164121 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3164121 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1060205,1095237,1109118,1129221,1063551,1080086,1053074,1093641,1063159,1051075,1096527,1088605,1114502,1047637,1054388,1099303,1067795,1129429,1064061,1060817,1079546,993285,1119648,1078286,1115909,1048494,1072365,1102674,1059338,1091097) ORDER BY field (ArticleID,1060205,1095237,1109118,1129221,1063551,1080086,1053074,1093641,1063159,1051075,1096527,1088605,1114502,1047637,1054388,1099303,1067795,1129429,1064061,1060817,1079546,993285,1119648,1078286,1115909,1048494,1072365,1102674,1059338,1091097)