身份证号码最后x是代表什么

页面:/news/view-646748/ | 耗时:0.2411 s | 内存:1.89 MB | 查询:5 | 缓存读取:4 写入:1 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=646748 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=646748 LIMIT 0,1
SELECT * FROM tbl_categories where CategoryID=90010 LIMIT 0,1
select * from tbl_Articles_sphinx where id=646748 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1097473,3295634,748542,1397800,705376,3045419,3277143,1092332,3088594,3412373,363561,80034,1110506,1580167,1215600,3003111,864384,1080175,3309773,1075828,1687291,1058817,3517096,1016263,719389,1084805,358299,1087355,689031,1160857) ORDER BY field (ArticleID,1097473,3295634,748542,1397800,705376,3045419,3277143,1092332,3088594,3412373,363561,80034,1110506,1580167,1215600,3003111,864384,1080175,3309773,1075828,1687291,1058817,3517096,1016263,719389,1084805,358299,1087355,689031,1160857)