什么叫8421BCD编码

页面:/news/view-1939017/ | 耗时:0.6068 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1939017 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1939017 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1939017 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1065195,1068312,1067547,1068410,1128511,1054184,1089454,1056536,1055175,1018939,981269,1017118,1042937,1072028,1067185,1062670,1072314,1062138,1048422,1048788,1053326,1067769,894508,1063559,1051435,1041849,1072721,1068274,394511,1015577) ORDER BY field (ArticleID,1065195,1068312,1067547,1068410,1128511,1054184,1089454,1056536,1055175,1018939,981269,1017118,1042937,1072028,1067185,1062670,1072314,1062138,1048422,1048788,1053326,1067769,894508,1063559,1051435,1041849,1072721,1068274,394511,1015577)