请问半角全角各占几个字节啊

页面:/news/view-147749/ | 耗时:0.7094 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=147749 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=147749 LIMIT 0,1
select * from tbl_Articles_sphinx where id=147749 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2148574,1083952,1868163,115257,125161,1094741,156864,2731033,2837325,181022,2468420,1552785,2136479,2651538,1107240,1095992,125337,119169,1127831,1126186,2256326,1473915,2599966,1128593,155089,169138,2336149,3004314,150590,3406973) ORDER BY field (ArticleID,2148574,1083952,1868163,115257,125161,1094741,156864,2731033,2837325,181022,2468420,1552785,2136479,2651538,1107240,1095992,125337,119169,1127831,1126186,2256326,1473915,2599966,1128593,155089,169138,2336149,3004314,150590,3406973)