質問編集履歴
4
追記2
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)cc
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-
WHERE cc.word_id_1 NOT
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WHERE cc.word_id_1 NOT IN(SELECT word_id FROM word)
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```
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3
追記2
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WHERE bv.word_id_1 IS NULL
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```
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追記2
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指摘していただき、where NOT EXISTS( を 変更しましたが、結果はやはり0レコードでした（；＿；）
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```MySQL
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SELECT cc.word_id_1
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FROM (
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(SELECT word_id_1 FROM video )
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UNION
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(SELECT word_id_2 FROM video )
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)cc
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WHERE cc.word_id_1 NOT EXISTS(SELECT word_id FROM word where cc.word_id_1=word_id)
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```
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2
追記
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```
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selectしている場所を見るとそれぞれ結果は出ます。
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追記
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[https://qiita.com/Hiraku/items/71873bf31e503eb1b4e1](https://qiita.com/Hiraku/items/71873bf31e503eb1b4e1)
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参考して下記のようにLEFT JOINにしても、同じくエラーはなく、結果は何も出ませんでした(T . T)
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```MySQL
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SELECT bv.word_id_1
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FROM video bv
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LEFT JOIN word dw ON dw.word_id = bv.word_id_1
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WHERE bv.word_id_1 IS NULL
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```
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1
表などを追加しました
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tabel: video
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|word_id_1|word_id_2|
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|:--:|:--:|
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|1|2|
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|3|4|
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|5|6|
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tabel: word
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|word_id||
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|:--:|--|
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|1|
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44
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|2|
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46
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|3|
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48
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49
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**完成目標**
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|word_id||
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54
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|:--:|--|
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56
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|1|
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58
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59
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|2|
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60
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|3|
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|4|
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|5|
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|6|
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19
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-
```
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73
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+
```MySQL
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20
74
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21
75
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INSERT INTO word (word_id)
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22
76
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23
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-
SELECT
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77
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+
SELECT cc.word_id_1
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24
78
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|
25
79
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FROM (
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26
80
|
|
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27
|
-
(SELECT word_id_1 FROM
|
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81
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+
(SELECT word_id_1 FROM video )
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28
82
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29
83
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UNION
|
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30
84
|
|
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31
|
-
(SELECT word_id_2 FROM
|
|
85
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+
(SELECT word_id_2 FROM video )
|
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32
86
|
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33
|
-
)
|
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87
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+
) cc
|
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34
88
|
|
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35
|
-
WHERE NOT EXISTS(SELECT w
|
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89
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+
WHERE NOT EXISTS(SELECT word_id FROM word)
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36
90
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37
91
|
```
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38
92
|
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39
93
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40
94
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41
|
-
イメージ的には word_id_1 - word_id で未登録のものだけを登録したいのですが、SELECTの結果が何もでてきません。
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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
|
-
SELECT ww.word_id FROM word ww
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46
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-
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47
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-
と
|
|
48
|
-
|
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49
|
-
(SELECT word_id_1 FROM buzz_video where word_id_1 <>"")
|
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50
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-
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51
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-
UNION
|
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52
|
-
|
|
53
|
-
(SELECT word_id_2 FROM buzz_video where word_id_2 <>"")
|
|
54
95
|
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55
96
|
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56
97
|
|
|
57
98
|
|
|
99
|
+
実行結果ではエラーは出ませんが、SELECTの結果も何もでてきません。
|
|
58
100
|
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|
59
|
-
は出てくるのでが差が出なくて困っています。
|
|
60
101
|
|
|
61
|
-
EXCEPT
|
|
62
102
|
|
|
63
|
-
|
|
103
|
+
```MySQL
|
|
104
|
+
|
|
105
|
+
(SELECT word_id_1 FROM video )
|
|
106
|
+
|
|
107
|
+
UNION
|
|
108
|
+
|
|
109
|
+
(SELECT word_id_2 FROM video )
|
|
110
|
+
|
|
111
|
+
```
|
|
112
|
+
|
|
113
|
+
```MySQL
|
|
114
|
+
|
|
115
|
+
SELECT word_id FROM word
|
|
116
|
+
|
|
117
|
+
```
|
|
118
|
+
|
|
119
|
+
selectしている場所を見るとそれぞれ結果は出ます。
|