回答編集履歴
3
update
test
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@@ -1,4 +1,4 @@
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1
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美しさは兎も角、一応できている様です
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1
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美しさは兎も角、一応できている様です。Postgresqlで書いていますのはご容赦ください。
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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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2
update
test
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@@ -19,25 +19,3 @@
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19
19
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where t1.AA=t2.AA and t1.CC=t2.CC
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20
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21
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```
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22
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-
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23
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-
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24
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-
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25
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-
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26
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-
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27
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-
withでも同じ様になってしまいました
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28
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-
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29
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-
```with
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30
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-
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with tbl2 as (select AA, BB, count(*) CC
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32
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-
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from tbl1 group by AA, BB)
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-
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select t2.AA, t2.BB, t2.CC from tbl2 t2,
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36
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-
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(select AA, max(CC) CC from tbl2 group by AA) t3
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38
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-
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where t2.AA=t3.AA and t2.CC=t3.CC
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40
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-
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order by t2.AA, t2.BB;
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-
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-
```
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1
update
test
CHANGED
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@@ -19,3 +19,25 @@
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19
19
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where t1.AA=t2.AA and t1.CC=t2.CC
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20
20
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21
21
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```
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22
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+
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23
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+
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24
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+
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25
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+
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26
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+
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27
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+
withでも同じ様になってしまいました
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28
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+
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29
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+
```with
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30
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+
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31
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+
with tbl2 as (select AA, BB, count(*) CC
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32
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+
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33
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from tbl1 group by AA, BB)
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34
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+
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35
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select t2.AA, t2.BB, t2.CC from tbl2 t2,
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36
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+
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37
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+
(select AA, max(CC) CC from tbl2 group by AA) t3
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38
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+
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39
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where t2.AA=t3.AA and t2.CC=t3.CC
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40
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+
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41
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order by t2.AA, t2.BB;
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42
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+
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43
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+
```
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