回答編集履歴
2
追加
test
CHANGED
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@@ -43,3 +43,27 @@
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43
43
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WHERE t1.商品ID=t3.商品ID;
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44
44
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45
45
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```
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46
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+
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47
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48
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49
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Oracle
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50
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51
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```sql
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52
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53
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update 商品マスター t1
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54
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55
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set KAKAKU = (
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56
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57
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SELECT KAKAKU FROM 最新価格 t3 JOIN
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58
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59
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(SELECT 商品ID, MAX(KAITEI_DATE) KAITEI_DATE FROM 最新価格 GROUP BY 商品ID ) t2
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60
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ON t2.商品ID=t3.商品ID and t2.KAITEI_DATE=t3.KAITEI_DATE and t3.商品ID = t1.商品ID)
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62
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+
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63
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where exists
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64
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65
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(SELECT 1 FROM 最新価格 t4 Where t4.商品ID = t1.商品ID)
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66
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+
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67
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;
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68
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+
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69
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```
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1
追加
test
CHANGED
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@@ -21,3 +21,25 @@
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21
21
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;
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22
22
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```
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24
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+
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25
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27
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postgres
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30
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31
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```sql
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32
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33
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UPDATE 商品マスター t1 SET KAKAKU=t3.KAKAKU
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34
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+
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FROM (SELECT 商品ID, KAKAKU FROM 最新価格 JOIN
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(SELECT 商品ID, MAX(KAITEI_DATE) KAITEI_DATE FROM 最新価格 GROUP BY 1) t2
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38
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USING (商品ID,KAITEI_DATE)
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40
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) t3
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43
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WHERE t1.商品ID=t3.商品ID;
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44
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45
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```
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