回答編集履歴
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コード追記
test
CHANGED
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@@ -12,7 +12,7 @@
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```sql
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SELECT
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SELECT a.項目1 AS 項目4, b.項目1 AS 項目5, Count(*) AS 項目6
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FROM Table1 AS a INNER JOIN Table1 AS b ON a.項目2 = b.項目2
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@@ -86,4 +86,52 @@
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クエリ４つになりましたが、サブクエリを使って一つに纏めることはできます。
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が、メンテナンスとか考えたら分けておいた方がいいと思います。
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89
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が、メンテナンスとか考えたら分けておいた方がいいと思いますが、一応、纏めたものの提示しておきます。
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```sql
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TRANSFORM Sum(QUnion.件数) AS 件数の合計
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SELECT QUnion.項目4, QUnion.項目5
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FROM (
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SELECT 項目4, 項目5, "項目6" AS 列名, 項目6 AS 件数
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FROM (
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SELECT a.項目1 AS 項目4, b.項目1 AS 項目5, Count(*) AS 項目6
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FROM Table1 AS a INNER JOIN Table1 AS b ON a.項目2 = b.項目2
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WHERE a.項目1<b.項目1
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GROUP BY a.項目1, b.項目1
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) Q1
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UNION ALL
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SELECT 項目4, 項目5, "項目7" AS 列名, 項目7 AS 件数
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FROM (
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SELECT a.項目1 AS 項目4, b.項目1 AS 項目5, Count(*) AS 項目7
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FROM Table2 a INNER JOIN Table2 b ON a.項目3 = b.項目3
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WHERE a.項目1<b.項目1
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GROUP BY a.項目1, b.項目1
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) Q2
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) QUnion
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GROUP BY QUnion.項目4, QUnion.項目5
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PIVOT QUnion.列名;
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```
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