回答編集履歴
4
追加
test
CHANGED
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@@ -71,3 +71,17 @@
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71
71
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6 rows in set (0.00 sec）
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72
72
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73
73
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```
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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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+
SqlServerもFULL JOINができました。
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78
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+
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79
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+
```sql
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80
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+
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81
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+
<SqlServer>
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82
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+
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83
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+
select a.no, b.no from tbl_a a full join tbl_b b on a.no=b.no；
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84
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+
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85
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+
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86
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+
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87
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+
```
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3
変更
test
CHANGED
|
File without changes
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2
変更
test
CHANGED
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@@ -2,7 +2,9 @@
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2
2
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3
3
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4
4
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5
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+
```
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6
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+
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5
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-
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7
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+
<postgres>
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6
8
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7
9
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insert into tbl_a values (100), (101), (200),(201);
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8
10
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@@ -36,7 +38,9 @@
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36
38
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37
39
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38
40
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41
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+
```
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42
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+
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39
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-
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43
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+
<mysql>
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40
44
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41
45
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select a.no, b.no from tbl_a a left join tbl_b b using(no)
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42
46
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1
修正
test
CHANGED
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@@ -2,7 +2,7 @@
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2
2
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3
3
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4
4
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5
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-
```s
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5
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+
```postgres
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6
6
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7
7
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insert into tbl_a values (100), (101), (200),(201);
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8
8
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@@ -31,3 +31,39 @@
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31
31
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32
32
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33
33
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```
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34
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+
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35
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+
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36
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+
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37
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+
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38
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+
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39
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+
```mysql
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40
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+
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41
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+
select a.no, b.no from tbl_a a left join tbl_b b using(no)
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42
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+
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43
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+
union
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44
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+
|
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45
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+
select a.no, b.no from tbl_a a right join tbl_b b using(no);
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46
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+
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47
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+
+------+------+
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48
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+
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49
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+
| no | no |
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50
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+
|
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51
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+
+------+------+
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52
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+
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53
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+
| 100 | 100 |
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54
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+
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55
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+
| 101 | 101 |
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56
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+
|
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57
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+
| 200 | NULL |
|
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58
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+
|
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59
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+
| 201 | NULL |
|
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60
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+
|
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61
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+
| NULL | 300 |
|
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62
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+
|
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63
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+
| NULL | 301 |
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64
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+
|
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65
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+
+------+------+
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66
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+
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67
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+
6 rows in set (0.00 sec）
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68
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+
|
|
69
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+
```
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