回答編集履歴
2
chousei
test
CHANGED
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@@ -9,6 +9,8 @@
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9
9
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10
10
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11
11
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```SQL
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12
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+
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13
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+
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12
14
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13
15
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create table tbl (id int primary key ,
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14
16
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@@ -48,7 +50,7 @@
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48
50
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49
51
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SELECT * FROM tbl
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50
52
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51
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-
WHERE
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53
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+
WHERE reality in('N','R');
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52
54
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53
55
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54
56
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@@ -56,7 +58,7 @@
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56
58
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57
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SELECT * FROM tbl
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58
60
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59
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-
WHERE
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61
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+
WHERE reality in('N','R') and `character` ='キャラ1';
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60
62
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61
63
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62
64
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@@ -64,7 +66,7 @@
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64
66
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65
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SELECT * FROM tbl
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66
68
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67
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-
WHERE
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69
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+
WHERE JSON_CONTAINS(attribe,'1');
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68
70
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69
71
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70
72
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@@ -72,4 +74,22 @@
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72
74
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73
75
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SELECT * FROM tbl
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74
76
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77
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WHERE JSON_CONTAINS(attribe,'1') and JSON_CONTAINS(attribe,'17');
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78
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+
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79
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+
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80
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+
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81
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-- (5)
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82
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+
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83
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SELECT * FROM tbl
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84
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+
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85
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WHERE reality='N' and JSON_CONTAINS(attribe,'1');
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86
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+
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87
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+
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88
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+
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89
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-- (6)
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90
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+
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91
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SELECT * FROM tbl
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92
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+
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75
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-
WHERE reality='R' and JSON_CONTAINS(attribe,'1')
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93
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+
WHERE reality='R' and JSON_CONTAINS(attribe,'1');
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94
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+
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95
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+
```
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1
chousei
test
CHANGED
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@@ -1,3 +1,75 @@
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1
1
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やり方的にはsetやenumが楽ですが、あとから変更するのが面倒です
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2
2
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3
3
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正規化して属性を管理するか、属性をjson型にするかで対応するとよいでしょう
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4
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+
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5
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+
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6
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7
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# sample
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8
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9
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10
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11
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```SQL
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12
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13
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create table tbl (id int primary key ,
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14
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15
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no varchar(10),
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16
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17
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+
reality varchar(10),
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18
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19
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`character` varchar(10),
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20
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21
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attribe json
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22
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23
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);
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24
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25
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26
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27
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insert into tbl values
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28
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29
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(1,'0001','N','キャラ1','[4,17,39,62,82]'),
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30
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+
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31
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(2,'0002','R','キャラ1','[22,26,36,43,45,73,84]'),
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32
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+
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33
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(3,'0003','SR','キャラ1','[6,24,37,44,47,53,58]'),
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34
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+
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35
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(4,'0004','SSR','キャラ1','[2,32,42,47,49,79,84,90]'),
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36
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37
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(5,'0005','N','キャラ2','[1,17,38,59,69,76]'),
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38
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39
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(6,'0006','R','キャラ2','[18,24,35,49,56,74]'),
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40
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+
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41
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(7,'0007','SR','キャラ2','[14,50,51,53,57,63,90]'),
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42
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+
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43
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(8,'0008','SSR','キャラ2','[1,7,19,66,69,70,75,90]');
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44
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+
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45
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+
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46
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+
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47
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-- (1)
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48
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+
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49
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SELECT * FROM tbl
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50
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+
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51
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WHERE JSON_CONTAINS(attribe,'1')
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52
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+
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53
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+
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54
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+
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55
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-- (2)
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56
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+
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57
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SELECT * FROM tbl
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58
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+
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59
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WHERE JSON_CONTAINS(attribe,'1') and JSON_CONTAINS(attribe,'17')
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60
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+
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61
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+
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62
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+
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63
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-- (3)
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64
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+
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65
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SELECT * FROM tbl
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66
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+
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67
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WHERE reality='N' and JSON_CONTAINS(attribe,'1')
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68
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+
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69
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+
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70
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+
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71
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-- (4)
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72
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+
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73
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+
SELECT * FROM tbl
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74
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+
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75
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+
WHERE reality='R' and JSON_CONTAINS(attribe,'1')
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