回答編集履歴
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test
CHANGED
@@ -13,3 +13,27 @@
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なんらかの連番処理が必要であればSQL側でランキングを計算する手法が
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幾つか用意されています。(ただし効率は悪いです)
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# sample
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```SQL
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create table tbl (id int not null unique key,val varchar(20));
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insert into tbl values(1,'aaa'),(2,'bbb'),(4,'ccc'),(50,'ddd'),(999,'eee');
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create view vw as select id,(select count(*)+1 from tbl as t2 where t1.id>t2.id) as renban,val from tbl as t1;
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```
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表示
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```SQL
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select * from vw;
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```
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