質問編集履歴
2
修正
title
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File without changes
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body
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@@ -26,7 +26,7 @@
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FROM TEAM
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INNER JOIN MASTER a
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on TEAM.NAME1 = a.ID
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-
INNER JOIN
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+
INNER JOIN MASTER b
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on TEAM.NAME2 = b.ID
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```
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32
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1
修正
title
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@@ -1,1 +1,1 @@
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1
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-
SQLSERVER
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1
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+
SQLSERVER INNER JOINを用いたUPDATE文において複数回INNERJOINは使えないのか
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body
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@@ -1,27 +1,34 @@
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1
1
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表題の件です。
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2
2
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3
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+
最初の投稿ではミスが多数あり、本当に申し訳ございません。
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4
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+
修正させていただきます。
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5
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+
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UPDATE TEAM
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+
```SQL
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SET NAME1 = a.TEAMNAME
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5
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FROM TEAM
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INNER JOIN MASTER a
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7
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-
ON TEAM.
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+
ON TEAM.NAME1 = a.ID
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8
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-
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+
```
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+
```SQL
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9
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UPDATE TEAM
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SET NAME2 = b.TEAMNAME
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FROM TEAM
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12
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INNER JOIN MASTER b
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13
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-
ON TEAM.
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+
ON TEAM.NAME2 = b.ID
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19
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+
```
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20
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21
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+
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はそれぞれ実行できますが、
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-
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23
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+
```SQL
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24
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UPDATE TEAM
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18
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-
SET NAME1 = a.TEAMNAME
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25
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+
SET NAME1 = a.TEAMNAME, NAME2 = b.TEAMNAME
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19
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-
SET NAME2 = b.TEAMNAME
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20
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FROM TEAM
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21
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INNER JOIN MASTER a
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22
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-
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+
on TEAM.NAME1 = a.ID
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23
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-
INNER JOIN
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29
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+
INNER JOIN tl_matchTable b
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24
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-
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30
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+
on TEAM.NAME2 = b.ID
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31
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+
```
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25
32
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26
33
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は0件実行しました、と表示されます。
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27
34
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エラーではないのですが、更新されません。
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