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求教一个MYSQL数字和字母混合排序有关问题

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Release: 2016-06-13 12:06:58
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求教一个MYSQL数字和字母混合排序问题
数据库里有一个表a,表a有一个字段b为字符串类型,里面的数据大多为88A242 ,88A106,88A109,92A129,92A068,2000A291,2000A216,2014A063,2014A315这样的字符串,求教各位大神,如何排序?

排序后应为: 88A106,88A109,88A242,92A068,92A129,2000A216,2000A291,2014A063,2014A315
------解决思路----------------------

create temporary table T (a varchar(10));<br /><br />insert into T (a) values ('88A242'),('88A106'),('88A109'),('92A129'),('92A068'),('2000A291'),('2000A216'),('2014A063'),('2014A315');<br /><br />select * from T order by lpad(a, 10, '0');
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a <br />88A106 <br />88A109 <br />88A242 <br />92A068 <br />92A129 <br />2000A216 <br />2000A291 <br />2014A063 <br />2014A315 <br />
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------解决思路----------------------
LPAD(str,len,padstr) 
返回字符串 str, 其左边由字符串padstr 填补到len 字符长度。假如str 的长度大于len, 则返回值被缩短至 len 字符。

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