回答編集履歴
1
chousei
test
CHANGED
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@@ -16,17 +16,17 @@
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19
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-
create table articles_users(id int,user_id
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+
create table articles_users(id int,user_id int,article_id int);
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insert into articles_users values
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(1,
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+
(1,1,1),
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(1,
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+
(1,2,1),
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(1,
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+
(1,3,2),
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(1,
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+
(1,4,2);
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@@ -38,7 +38,7 @@
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from articles_users
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where t1.
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41
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where t1.id=user_id
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group by user_id
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