質問編集履歴
1
テーブルの作成
test
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File without changes
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test
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@@ -18,23 +18,65 @@
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入力された値が「ああ」の場合
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-
もしB-2のidが
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もしB-2のidが3の箇所のタイトルのところに「ああいいうう」というデータが入っていたならテーブルAのtable_typeが2でtitle_idが3である部分の行を取り出したいとします。
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```MySQL
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create table A (id int, table_type tiny_int(4), title_id int);
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create table B-1 (id int, title varchar(10));
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create table B-2 (id int, title varchar(10));
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create table B-3 (id int, title varchar(10));
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create table B-4 (id int, title varchar(10));
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)
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INSERT INTO A(id,table_type,title_id)VALUES(1,1,3);
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INSERT INTO A(id,table_type,title_id)VALUES(2,4,4);
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INSERT INTO A(id,table_type,title_id)VALUES(3,2,3);
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INSERT INTO A(id,table_type,title_id)VALUES(4,3,1);
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INSERT INTO B-1(id,table_type,title_id)VALUES(1,'ttt');
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INSERT INTO B-1(id,table_type,title_id)VALUES(2,'aaa');
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INSERT INTO B-1(id,table_type,title_id)VALUES(3,'yyy');
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INSERT INTO B-2(id,table_type,title_id)VALUES(1,'あかさたな');
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INSERT INTO B-2(id,table_type,title_id)VALUES(2,'あいうえお');
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INSERT INTO B-2(id,table_type,title_id)VALUES(3,'ああいいうう');
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INSERT INTO B-3(id,table_type,title_id)VALUES(1,'111');
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INSERT INTO B-3(id,table_type,title_id)VALUES(2,'222');
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INSERT INTO B-3(id,table_type,title_id)VALUES(3,'333');
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INSERT INTO B-4(id,table_type,title_id)VALUES(1,'ppp');
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INSERT INTO B-4(id,table_type,title_id)VALUES(2,'qqq');
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INSERT INTO B-4(id,table_type,title_id)VALUES(3,'rrr');
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```
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