计算机中存储一个汉字需要几字节

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select * from tbl_Articles WHERE ArticleID=2468152 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2468152 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2468152 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(725899,1094539,1105510,1717311,2479290,1085616,1127897,1126360,586298,1042230,2635025,1098325,2572412,1129085,1862397,1124291,2926412,3464934,312712,446852,1114441,2881639,2297339,1116333,777770,639034,2770109,2910771,1062460,727599) ORDER BY field (ArticleID,725899,1094539,1105510,1717311,2479290,1085616,1127897,1126360,586298,1042230,2635025,1098325,2572412,1129085,1862397,1124291,2926412,3464934,312712,446852,1114441,2881639,2297339,1116333,777770,639034,2770109,2910771,1062460,727599)