回答編集履歴
3
追記
answer
CHANGED
@@ -5,4 +5,15 @@
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5
5
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on tgt.ymd = src.ymd and tgt.kigyo_cd=src.kigyo_cd
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6
6
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where tgt.ymd between '2019-04-16 00:00:00' and '2019-4-23 00:00:00'
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7
7
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```
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8
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-
[UPDATE (307P)](http://infocenter.sybase.com/help/topic/com.sybase.infocenter.dc01143.1520/pdf/iqrefso_ja.pdf)
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8
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+
[UPDATE (307P)](http://infocenter.sybase.com/help/topic/com.sybase.infocenter.dc01143.1520/pdf/iqrefso_ja.pdf)
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9
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+
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10
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+
追記
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11
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+
--
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12
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+
相関サブクエリーとした場合
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13
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+
```SQL
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14
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+
update tableA tgt set
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15
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+
receipt_key=(
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16
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+
select receipt_key from tableB where ymd=tgt.ymd and kigyo_cd=tgt.kigyo_cd
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+
)
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18
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where ymd between '2019-04-16 00:00:00' and '2019-4-23 00:00:00'
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19
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+
```
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2
追記
answer
CHANGED
@@ -4,4 +4,5 @@
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4
4
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from tableA tgt join tableB src
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5
5
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on tgt.ymd = src.ymd and tgt.kigyo_cd=src.kigyo_cd
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6
6
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where tgt.ymd between '2019-04-16 00:00:00' and '2019-4-23 00:00:00'
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7
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-
```
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7
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+
```
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8
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+
[UPDATE (307P)](http://infocenter.sybase.com/help/topic/com.sybase.infocenter.dc01143.1520/pdf/iqrefso_ja.pdf)
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1
訂正
answer
CHANGED
@@ -1,7 +1,7 @@
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1
1
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別にわざわざ連結した項目生成する必要は無いですし、生成などしない方がインデックスがある場合は高速です。
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2
2
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```SQL
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3
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-
update tableA
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3
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+
update tableA set tgt.receipt_key=src.receipt_key
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4
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-
from tableB src
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4
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+
from tableA tgt join tableB src
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5
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-
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5
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+
on tgt.ymd = src.ymd and tgt.kigyo_cd=src.kigyo_cd
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6
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-
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6
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+
where tgt.ymd between '2019-04-16 00:00:00' and '2019-4-23 00:00:00'
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7
7
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```
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