回答編集履歴
2
追記
test
CHANGED
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@@ -35,3 +35,43 @@
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35
35
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```
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36
36
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37
37
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※with式はテーブルの代わり
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38
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+
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39
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+
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40
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+
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41
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+
追記
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42
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+
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43
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--
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44
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+
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45
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もったいないので、yambejpさんのも
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46
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+
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47
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+
```SQL
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48
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+
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49
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with 入荷履歴 as(
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50
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51
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select '2019-04-01' as 入荷日 ,'りんご' as 商品名,'100' as 価格,'千葉' as 産地 from dual
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52
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+
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53
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union all select '2019-05-01','りんご','80','千葉' from dual
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54
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+
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55
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union all select '2019-06-01','りんご','120','山梨' from dual
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56
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+
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57
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union all select '2019-04-01','ばなな','100','エクアドル' from dual
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58
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+
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59
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union all select '2019-05-01','ばなな','200','沖縄' from dual
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60
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+
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61
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union all select '2019-04-01','メロン','600','北海道' from dual
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62
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+
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63
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)
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64
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65
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select * from 入荷履歴
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66
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67
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where (入荷日,商品名) in (
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68
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69
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select min(入荷日),商品名 from 入荷履歴 where 入荷日>='2019-04-10' group by 商品名
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70
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71
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union
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72
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73
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select max(入荷日),商品名 from 入荷履歴 group by 商品名 having max(入荷日)<'2019-04-10'
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74
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+
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75
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+
)
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76
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+
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77
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```
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1
推敲
test
CHANGED
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@@ -1,4 +1,4 @@
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1
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-
サブクエリーで未来と過去それぞれを抽出し、coalesceで優先判断
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1
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**相関サブクエリー**で未来と過去それぞれを抽出し、**coalesce**で優先判断
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2
2
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3
3
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```SQL
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4
4
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