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/*
$query = "
update proxy,worldip
set proxy.code = worldip.code
where proxy.ip > worldip.start and proxy.ip < worldip.end";
*/

//´¦Àí1285¸ö´úÀíʱ¼ä£º7Ãë
$query = "
insert into test
select proxy.ip,worldip.code from proxy,worldip
where proxy.ip > worldip.start and proxy.ip < worldip.end";
mysql_query($query);

$query = "
update proxy,test
set proxy.code = test.code
where proxy.ip = test.ip";
mysql_query($query);

worldip°üº¬×ֶΣ¬start,end,code
proxy°üº¬×ֶΣ¬ip,code

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update proxy,worldip
set proxy.code = worldip.code
where proxy.ip > worldip.start and proxy.ip < worldip.end

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$query = "
insert into test
select proxy.ip,worldip.code from proxy,worldip
where proxy.ip > worldip.start and proxy.ip < worldip.end";
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explain select * from proxy,worldip where proxy.ip > worldip.start and proxy.ip < worldip.end;
show index from worldip ;


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