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create table tb
(
blogid number,
blogclass varchar2(30)
)
insert into tb values(1,'ÈËÉú');
insert into tb values(2,'ѧϰ');
insert into tb values(3,'¹¤×÷');
insert into tb values(4,'¸ÐÇé');
insert into tb values(5,'ÅóÓÑ');
insert into tb values(6,'ÓéÀÖ');
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3 ¹¤×÷
1 ÈËÉú
2 ѧϰ
4 ¸ÐÇé
5 ÅóÓÑ
6 ÓéÀÖ
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select * from t order by decode(blogid,3,1,2), blogid;
select * from tb
order by decode(blogid,:blogid,1,2),blogid
:blogid±íʾÄãµÄ´«Èë²ÎÊý
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select * from tb
order by decode(blogid,:blogid,0,blogid),blogid
:blogid±íʾÄãµÄ´«Èë²ÎÊý
order by»¹¿ÉÒÔÕâÑùÓð¡ ³¤¼ûʶÁË
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SQL> select * from tb;
BLOGID BLOGCLASS
---------- ------------------------------
1 ÈËÉú
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