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1. wprintf
Q : sizeof(wchar_t) = ?
A : Ëæ±àÒëÆ÷²»Í¬¡£(ËùÒÔ:ÔÚÐèÒª¿çƽ̨µÄʱºò¾¡Á¿²»ÓÃwchar_t) vc : sizeof(wchar_t) = 2;
Q: ÔÚvcÖУ¬ÎªÊ²Ã´Ö±½ÓʹÓÃwprintf(L"²âÊÔ1234")»áûÓнá¹û
A: ûÓÐÉèÖúÃlocale,ÕâÑù×ö
setlocale(LC_ALL ,
"
chs
"
);
wprintf(L
"
%s
"
,L
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declare @dfname varchar(50)
select @dfname=a.name
from sysobjects a
inner join syscomments b on a.id=b.id
inner join sysconstraints  ......
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alter session set sql_trace =true ;--´ò¿ªsql_trace
select * from (select * from t order by id) where rownum <= ......