一个汉字在计算机中占用几个字节

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select * from tbl_Articles WHERE ArticleID=2256326 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2256326 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2256326 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2759496,1906160,1123923,1422668,1053802,1117301,1280952,886326,1829808,1971132,1131145,1049862,3173365,2496005,1132517,166605,1378426,2258221,1103117,1126829,2123823,2332689,1094711,2353216,1092163,1467592,1923938,1130114,628812,1127573) ORDER BY field (ArticleID,2759496,1906160,1123923,1422668,1053802,1117301,1280952,886326,1829808,1971132,1131145,1049862,3173365,2496005,1132517,166605,1378426,2258221,1103117,1126829,2123823,2332689,1094711,2353216,1092163,1467592,1923938,1130114,628812,1127573)