回答編集履歴
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調整
test
CHANGED
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@@ -11,3 +11,55 @@
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inner join テーブルB as t2 on t1.brandName like concat('%',t2.brandName,'%')
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```
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# 追記
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MySQLベースでいきます
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```SQL
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create table tbl_a (aid int unique,val varchar(20));
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insert into tbl_a values
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(1,'aaaXXX'),
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(2,'aaaYYY'),
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(3,'bbbYYY'),
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(4,'cccYYY'),
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(5,'dddXXX'),
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(6,'dddZZZ');
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create table tbl_b (bid int unique,val varchar(20));
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insert into tbl_b values
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(1,'aaa'),
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(2,'a'),
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(3,'XXX'),
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(4,'ccc');
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55
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```
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検出
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58
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```SQL
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60
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select * from tbl_a
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where val regexp (select group_concat(val separator '|') from tbl_b )
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```
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